Level of income Education level Periodo Total Total With a great deal of difficulty 2024 9,1 Total With a great deal of difficulty 2023 9,3 Total With a great deal of difficulty 2022 8,7 Total With a great deal of difficulty 2021 8,8 Total With a great deal of difficulty 2020 10 Total With a great deal of difficulty 2019 7,8 Total With a great deal of difficulty 2018 10,4 Total With a great deal of difficulty 2017 9,5 Total With a great deal of difficulty 2016 16,6 Total With a great deal of difficulty 2015 14,8 Total With a great deal of difficulty 2014 17,5 Total With a great deal of difficulty 2013 18,6 Total With a great deal of difficulty 2012 14,7 Total With a great deal of difficulty 2011 11,1 Total With a great deal of difficulty 2010 15,5 Total With a great deal of difficulty 2009 16,2 Total With a great deal of difficulty 2008 13,7 Total With a great deal of difficulty 2007 11,1 Total With a great deal of difficulty 2006 12,2 Total With a great deal of difficulty 2005 11,1 Total With a great deal of difficulty 2004 11,8 Total With difficulty 2024 12,7 Total With difficulty 2023 13,1 Total With difficulty 2022 13,4 Total With difficulty 2021 12,8 Total With difficulty 2020 12,8 Total With difficulty 2019 14,2 Total With difficulty 2018 16,7 Total With difficulty 2017 15,6 Total With difficulty 2016 19 Total With difficulty 2015 20,4 Total With difficulty 2014 21,6 Total With difficulty 2013 20,2 Total With difficulty 2012 20 Total With difficulty 2011 17,9 Total With difficulty 2010 18,3 Total With difficulty 2009 17,8 Total With difficulty 2008 18,2 Total With difficulty 2007 16,9 Total With difficulty 2006 18,8 Total With difficulty 2005 16,6 Total With difficulty 2004 18 Total With a certain degree of difficulty 2024 25,6 Total With a certain degree of difficulty 2023 26,1 Total With a certain degree of difficulty 2022 25,7 Total With a certain degree of difficulty 2021 23,3 Total With a certain degree of difficulty 2020 22,3 Total With a certain degree of difficulty 2019 27,3 Total With a certain degree of difficulty 2018 28,1 Total With a certain degree of difficulty 2017 28,2 Total With a certain degree of difficulty 2016 27 Total With a certain degree of difficulty 2015 29,3 Total With a certain degree of difficulty 2014 28,8 Total With a certain degree of difficulty 2013 28,2 Total With a certain degree of difficulty 2012 28,4 Total With a certain degree of difficulty 2011 29,3 Total With a certain degree of difficulty 2010 28 Total With a certain degree of difficulty 2009 28,2 Total With a certain degree of difficulty 2008 31 Total With a certain degree of difficulty 2007 31,1 Total With a certain degree of difficulty 2006 31,6 Total With a certain degree of difficulty 2005 32,3 Total With a certain degree of difficulty 2004 32 First decile With a great deal of difficulty 2024 24,3 First decile With a great deal of difficulty 2023 25,1 First decile With a great deal of difficulty 2022 24,8 First decile With a great deal of difficulty 2021 25,5 First decile With a great deal of difficulty 2020 29,5 First decile With a great deal of difficulty 2019 27,3 First decile With a great deal of difficulty 2018 31,6 First decile With a great deal of difficulty 2017 26,2 First decile With a great deal of difficulty 2016 43 First decile With a great deal of difficulty 2015 41,5 First decile With a great deal of difficulty 2014 49,4 First decile With a great deal of difficulty 2013 46,6 First decile With a great deal of difficulty 2012 37,3 First decile With a great deal of difficulty 2011 32,6 First decile With a great deal of difficulty 2010 36,8 First decile With a great deal of difficulty 2009 37,1 First decile With a great deal of difficulty 2008 35,6 First decile With a great deal of difficulty 2007 27,7 First decile With a great deal of difficulty 2006 30,9 First decile With a great deal of difficulty 2005 24,6 First decile With a great deal of difficulty 2004 26,2 First decile With difficulty 2024 20,5 First decile With difficulty 2023 22,1 First decile With difficulty 2022 22,1 First decile With difficulty 2021 23,8 First decile With difficulty 2020 20,1 First decile With difficulty 2019 24,8 First decile With difficulty 2018 27,6 First decile With difficulty 2017 27,2 First decile With difficulty 2016 25,2 First decile With difficulty 2015 28,4 First decile With difficulty 2014 23,2 First decile With difficulty 2013 22,4 First decile With difficulty 2012 28,7 First decile With difficulty 2011 26,3 First decile With difficulty 2010 26,8 First decile With difficulty 2009 26,9 First decile With difficulty 2008 27,8 First decile With difficulty 2007 21,5 First decile With difficulty 2006 26,2 First decile With difficulty 2005 20,9 First decile With difficulty 2004 25,8 First decile With a certain degree of difficulty 2024 24,8 First decile With a certain degree of difficulty 2023 27,4 First decile With a certain degree of difficulty 2022 25,8 First decile With a certain degree of difficulty 2021 25,4 First decile With a certain degree of difficulty 2020 30 First decile With a certain degree of difficulty 2019 27,9 First decile With a certain degree of difficulty 2018 22,6 First decile With a certain degree of difficulty 2017 29,2 First decile With a certain degree of difficulty 2016 21,9 First decile With a certain degree of difficulty 2015 20,5 First decile With a certain degree of difficulty 2014 18,4 First decile With a certain degree of difficulty 2013 20,7 First decile With a certain degree of difficulty 2012 21,6 First decile With a certain degree of difficulty 2011 26,2 First decile With a certain degree of difficulty 2010 23,6 First decile With a certain degree of difficulty 2009 20,2 First decile With a certain degree of difficulty 2008 23,7 First decile With a certain degree of difficulty 2007 30,8 First decile With a certain degree of difficulty 2006 27,4 First decile With a certain degree of difficulty 2005 31,3 First decile With a certain degree of difficulty 2004 26,9 Second decile With a great deal of difficulty 2024 17,2 Second decile With a great deal of difficulty 2023 17,9 Second decile With a great deal of difficulty 2022 18,2 Second decile With a great deal of difficulty 2021 17,7 Second decile With a great deal of difficulty 2020 21,1 Second decile With a great deal of difficulty 2019 15,4 Second decile With a great deal of difficulty 2018 21,7 Second decile With a great deal of difficulty 2017 21,9 Second decile With a great deal of difficulty 2016 34,1 Second decile With a great deal of difficulty 2015 29,7 Second decile With a great deal of difficulty 2014 37,2 Second decile With a great deal of difficulty 2013 36,4 Second decile With a great deal of difficulty 2012 28,7 Second decile With a great deal of difficulty 2011 21,2 Second decile With a great deal of difficulty 2010 31,2 Second decile With a great deal of difficulty 2009 29,1 Second decile With a great deal of difficulty 2008 20,4 Second decile With a great deal of difficulty 2007 19,7 Second decile With a great deal of difficulty 2006 21 Second decile With a great deal of difficulty 2005 18,7 Second decile With a great deal of difficulty 2004 19,3 Second decile With difficulty 2024 18,9 Second decile With difficulty 2023 20,6 Second decile With difficulty 2022 20,7 Second decile With difficulty 2021 20,2 Second decile With difficulty 2020 22,2 Second decile With difficulty 2019 24 Second decile With difficulty 2018 24,9 Second decile With difficulty 2017 25,7 Second decile With difficulty 2016 28,8 Second decile With difficulty 2015 28,7 Second decile With difficulty 2014 30,1 Second decile With difficulty 2013 26,3 Second decile With difficulty 2012 28,2 Second decile With difficulty 2011 25 Second decile With difficulty 2010 28 Second decile With difficulty 2009 24,7 Second decile With difficulty 2008 25,1 Second decile With difficulty 2007 25,6 Second decile With difficulty 2006 25,6 Second decile With difficulty 2005 24,5 Second decile With difficulty 2004 23,9 Second decile With a certain degree of difficulty 2024 33,9 Second decile With a certain degree of difficulty 2023 32,3 Second decile With a certain degree of difficulty 2022 33,5 Second decile With a certain degree of difficulty 2021 30,2 Second decile With a certain degree of difficulty 2020 28,3 Second decile With a certain degree of difficulty 2019 34,9 Second decile With a certain degree of difficulty 2018 33,3 Second decile With a certain degree of difficulty 2017 30,5 Second decile With a certain degree of difficulty 2016 22,8 Second decile With a certain degree of difficulty 2015 31,6 Second decile With a certain degree of difficulty 2014 24,8 Second decile With a certain degree of difficulty 2013 23,6 Second decile With a certain degree of difficulty 2012 28,4 Second decile With a certain degree of difficulty 2011 33,5 Second decile With a certain degree of difficulty 2010 25,8 Second decile With a certain degree of difficulty 2009 27,9 Second decile With a certain degree of difficulty 2008 34,7 Second decile With a certain degree of difficulty 2007 30,4 Second decile With a certain degree of difficulty 2006 35,3 Second decile With a certain degree of difficulty 2005 33,8 Second decile With a certain degree of difficulty 2004 37,6 Third decile With a great deal of difficulty 2024 12,6 Third decile With a great deal of difficulty 2023 13,7 Third decile With a great deal of difficulty 2022 12,9 Third decile With a great deal of difficulty 2021 13,2 Third decile With a great deal of difficulty 2020 16 Third decile With a great deal of difficulty 2019 11 Third decile With a great deal of difficulty 2018 15,3 Third decile With a great deal of difficulty 2017 14,7 Third decile With a great deal of difficulty 2016 25,6 Third decile With a great deal of difficulty 2015 20,7 Third decile With a great deal of difficulty 2014 26,3 Third decile With a great deal of difficulty 2013 28,3 Third decile With a great deal of difficulty 2012 21,9 Third decile With a great deal of difficulty 2011 16,6 Third decile With a great deal of difficulty 2010 22,1 Third decile With a great deal of difficulty 2009 24,2 Third decile With a great deal of difficulty 2008 17,4 Third decile With a great deal of difficulty 2007 16,4 Third decile With a great deal of difficulty 2006 16 Third decile With a great deal of difficulty 2005 15,7 Third decile With a great deal of difficulty 2004 16,4 Third decile With difficulty 2024 19,3 Third decile With difficulty 2023 19,6 Third decile With difficulty 2022 21,6 Third decile With difficulty 2021 19,9 Third decile With difficulty 2020 19,5 Third decile With difficulty 2019 17,9 Third decile With difficulty 2018 28,2 Third decile With difficulty 2017 22,4 Third decile With difficulty 2016 27,9 Third decile With difficulty 2015 30 Third decile With difficulty 2014 32,2 Third decile With difficulty 2013 29,6 Third decile With difficulty 2012 30,3 Third decile With difficulty 2011 25,2 Third decile With difficulty 2010 22,6 Third decile With difficulty 2009 24,8 Third decile With difficulty 2008 23,7 Third decile With difficulty 2007 22,9 Third decile With difficulty 2006 24,7 Third decile With difficulty 2005 21,6 Third decile With difficulty 2004 22 Third decile With a certain degree of difficulty 2024 33,4 Third decile With a certain degree of difficulty 2023 34,3 Third decile With a certain degree of difficulty 2022 34,9 Third decile With a certain degree of difficulty 2021 31,8 Third decile With a certain degree of difficulty 2020 29 Third decile With a certain degree of difficulty 2019 36,1 Third decile With a certain degree of difficulty 2018 33,1 Third decile With a certain degree of difficulty 2017 33,6 Third decile With a certain degree of difficulty 2016 28,6 Third decile With a certain degree of difficulty 2015 32,5 Third decile With a certain degree of difficulty 2014 27,1 Third decile With a certain degree of difficulty 2013 29 Third decile With a certain degree of difficulty 2012 30,1 Third decile With a certain degree of difficulty 2011 32,3 Third decile With a certain degree of difficulty 2010 33,5 Third decile With a certain degree of difficulty 2009 31,1 Third decile With a certain degree of difficulty 2008 38,1 Third decile With a certain degree of difficulty 2007 35,3 Third decile With a certain degree of difficulty 2006 37,1 Third decile With a certain degree of difficulty 2005 36,4 Third decile With a certain degree of difficulty 2004 35,8 Fourth decile With a great deal of difficulty 2024 10,8 Fourth decile With a great deal of difficulty 2023 10,1 Fourth decile With a great deal of difficulty 2022 9,6 Fourth decile With a great deal of difficulty 2021 11,1 Fourth decile With a great deal of difficulty 2020 8,6 Fourth decile With a great deal of difficulty 2019 7,1 Fourth decile With a great deal of difficulty 2018 11,6 Fourth decile With a great deal of difficulty 2017 9,4 Fourth decile With a great deal of difficulty 2016 19,8 Fourth decile With a great deal of difficulty 2015 17,3 Fourth decile With a great deal of difficulty 2014 19,1 Fourth decile With a great deal of difficulty 2013 20,6 Fourth decile With a great deal of difficulty 2012 17,9 Fourth decile With a great deal of difficulty 2011 10,2 Fourth decile With a great deal of difficulty 2010 19 Fourth decile With a great deal of difficulty 2009 17,9 Fourth decile With a great deal of difficulty 2008 16,8 Fourth decile With a great deal of difficulty 2007 11,4 Fourth decile With a great deal of difficulty 2006 15 Fourth decile With a great deal of difficulty 2005 13,2 Fourth decile With a great deal of difficulty 2004 12,3 Fourth decile With difficulty 2024 17 Fourth decile With difficulty 2023 17,4 Fourth decile With difficulty 2022 18,2 Fourth decile With difficulty 2021 17,3 Fourth decile With difficulty 2020 15,4 Fourth decile With difficulty 2019 20,1 Fourth decile With difficulty 2018 21 Fourth decile With difficulty 2017 19 Fourth decile With difficulty 2016 26,6 Fourth decile With difficulty 2015 25,3 Fourth decile With difficulty 2014 29,4 Fourth decile With difficulty 2013 25,3 Fourth decile With difficulty 2012 23,1 Fourth decile With difficulty 2011 23,7 Fourth decile With difficulty 2010 20,6 Fourth decile With difficulty 2009 22 Fourth decile With difficulty 2008 23,1 Fourth decile With difficulty 2007 21,4 Fourth decile With difficulty 2006 23,7 Fourth decile With difficulty 2005 19,3 Fourth decile With difficulty 2004 24,3 Fourth decile With a certain degree of difficulty 2024 32,6 Fourth decile With a certain degree of difficulty 2023 33 Fourth decile With a certain degree of difficulty 2022 32,7 Fourth decile With a certain degree of difficulty 2021 31,3 Fourth decile With a certain degree of difficulty 2020 27,6 Fourth decile With a certain degree of difficulty 2019 31,4 Fourth decile With a certain degree of difficulty 2018 31,8 Fourth decile With a certain degree of difficulty 2017 35,1 Fourth decile With a certain degree of difficulty 2016 29,3 Fourth decile With a certain degree of difficulty 2015 34,5 Fourth decile With a certain degree of difficulty 2014 31,3 Fourth decile With a certain degree of difficulty 2013 32 Fourth decile With a certain degree of difficulty 2012 34,5 Fourth decile With a certain degree of difficulty 2011 35,7 Fourth decile With a certain degree of difficulty 2010 35,2 Fourth decile With a certain degree of difficulty 2009 34,9 Fourth decile With a certain degree of difficulty 2008 32,7 Fourth decile With a certain degree of difficulty 2007 33,9 Fourth decile With a certain degree of difficulty 2006 36,7 Fourth decile With a certain degree of difficulty 2005 38 Fourth decile With a certain degree of difficulty 2004 36,7 Fifth decile With a great deal of difficulty 2024 8,8 Fifth decile With a great deal of difficulty 2023 9,7 Fifth decile With a great deal of difficulty 2022 7 Fifth decile With a great deal of difficulty 2021 6,7 Fifth decile With a great deal of difficulty 2020 9,5 Fifth decile With a great deal of difficulty 2019 7 Fifth decile With a great deal of difficulty 2018 10,3 Fifth decile With a great deal of difficulty 2017 7,8 Fifth decile With a great deal of difficulty 2016 15,1 Fifth decile With a great deal of difficulty 2015 15,8 Fifth decile With a great deal of difficulty 2014 14,1 Fifth decile With a great deal of difficulty 2013 18,1 Fifth decile With a great deal of difficulty 2012 13,1 Fifth decile With a great deal of difficulty 2011 11,2 Fifth decile With a great deal of difficulty 2010 15,2 Fifth decile With a great deal of difficulty 2009 14,6 Fifth decile With a great deal of difficulty 2008 13,4 Fifth decile With a great deal of difficulty 2007 10,4 Fifth decile With a great deal of difficulty 2006 12,6 Fifth decile With a great deal of difficulty 2005 11,6 Fifth decile With a great deal of difficulty 2004 11,6 Fifth decile With difficulty 2024 14,5 Fifth decile With difficulty 2023 16,4 Fifth decile With difficulty 2022 15,9 Fifth decile With difficulty 2021 13,5 Fifth decile With difficulty 2020 16,2 Fifth decile With difficulty 2019 12,6 Fifth decile With difficulty 2018 15,3 Fifth decile With difficulty 2017 18,5 Fifth decile With difficulty 2016 20,9 Fifth decile With difficulty 2015 23,6 Fifth decile With difficulty 2014 24,8 Fifth decile With difficulty 2013 28 Fifth decile With difficulty 2012 22,1 Fifth decile With difficulty 2011 19,3 Fifth decile With difficulty 2010 21,9 Fifth decile With difficulty 2009 22,9 Fifth decile With difficulty 2008 21,4 Fifth decile With difficulty 2007 17,8 Fifth decile With difficulty 2006 23,8 Fifth decile With difficulty 2005 18,8 Fifth decile With difficulty 2004 20,4 Fifth decile With a certain degree of difficulty 2024 29,6 Fifth decile With a certain degree of difficulty 2023 29 Fifth decile With a certain degree of difficulty 2022 30,5 Fifth decile With a certain degree of difficulty 2021 27,3 Fifth decile With a certain degree of difficulty 2020 24,7 Fifth decile With a certain degree of difficulty 2019 34 Fifth decile With a certain degree of difficulty 2018 35,3 Fifth decile With a certain degree of difficulty 2017 35,2 Fifth decile With a certain degree of difficulty 2016 34,2 Fifth decile With a certain degree of difficulty 2015 37,6 Fifth decile With a certain degree of difficulty 2014 36,4 Fifth decile With a certain degree of difficulty 2013 29,7 Fifth decile With a certain degree of difficulty 2012 32,8 Fifth decile With a certain degree of difficulty 2011 33,9 Fifth decile With a certain degree of difficulty 2010 35 Fifth decile With a certain degree of difficulty 2009 32 Fifth decile With a certain degree of difficulty 2008 35,1 Fifth decile With a certain degree of difficulty 2007 36,4 Fifth decile With a certain degree of difficulty 2006 33 Fifth decile With a certain degree of difficulty 2005 37,8 Fifth decile With a certain degree of difficulty 2004 35,8 Sixth decile With a great deal of difficulty 2024 6,1 Sixth decile With a great deal of difficulty 2023 5,4 Sixth decile With a great deal of difficulty 2022 4,9 Sixth decile With a great deal of difficulty 2021 5,7 Sixth decile With a great deal of difficulty 2020 7,5 Sixth decile With a great deal of difficulty 2019 4,1 Sixth decile With a great deal of difficulty 2018 5,7 Sixth decile With a great deal of difficulty 2017 7,3 Sixth decile With a great deal of difficulty 2016 10,8 Sixth decile With a great deal of difficulty 2015 10,1 Sixth decile With a great deal of difficulty 2014 10,4 Sixth decile With a great deal of difficulty 2013 13,9 Sixth decile With a great deal of difficulty 2012 9,5 Sixth decile With a great deal of difficulty 2011 6,9 Sixth decile With a great deal of difficulty 2010 11,3 Sixth decile With a great deal of difficulty 2009 14,6 Sixth decile With a great deal of difficulty 2008 11,2 Sixth decile With a great deal of difficulty 2007 6,8 Sixth decile With a great deal of difficulty 2006 8,6 Sixth decile With a great deal of difficulty 2005 9,7 Sixth decile With a great deal of difficulty 2004 10,8 Sixth decile With difficulty 2024 13 Sixth decile With difficulty 2023 10,5 Sixth decile With difficulty 2022 12,1 Sixth decile With difficulty 2021 12,6 Sixth decile With difficulty 2020 11,1 Sixth decile With difficulty 2019 15,8 Sixth decile With difficulty 2018 15,9 Sixth decile With difficulty 2017 13,1 Sixth decile With difficulty 2016 20,9 Sixth decile With difficulty 2015 20,6 Sixth decile With difficulty 2014 26,2 Sixth decile With difficulty 2013 19,8 Sixth decile With difficulty 2012 20,3 Sixth decile With difficulty 2011 18,8 Sixth decile With difficulty 2010 20,7 Sixth decile With difficulty 2009 17,5 Sixth decile With difficulty 2008 18,7 Sixth decile With difficulty 2007 16,6 Sixth decile With difficulty 2006 22,4 Sixth decile With difficulty 2005 17 Sixth decile With difficulty 2004 16,6 Sixth decile With a certain degree of difficulty 2024 28,4 Sixth decile With a certain degree of difficulty 2023 30 Sixth decile With a certain degree of difficulty 2022 28,3 Sixth decile With a certain degree of difficulty 2021 26,1 Sixth decile With a certain degree of difficulty 2020 23,1 Sixth decile With a certain degree of difficulty 2019 29,4 Sixth decile With a certain degree of difficulty 2018 31,5 Sixth decile With a certain degree of difficulty 2017 30,6 Sixth decile With a certain degree of difficulty 2016 34,5 Sixth decile With a certain degree of difficulty 2015 35,4 Sixth decile With a certain degree of difficulty 2014 34,4 Sixth decile With a certain degree of difficulty 2013 34,4 Sixth decile With a certain degree of difficulty 2012 35,4 Sixth decile With a certain degree of difficulty 2011 33 Sixth decile With a certain degree of difficulty 2010 31,6 Sixth decile With a certain degree of difficulty 2009 32,7 Sixth decile With a certain degree of difficulty 2008 35 Sixth decile With a certain degree of difficulty 2007 35,2 Sixth decile With a certain degree of difficulty 2006 32,3 Sixth decile With a certain degree of difficulty 2005 35,7 Sixth decile With a certain degree of difficulty 2004 36,1 Seventh decile With a great deal of difficulty 2024 4,4 Seventh decile With a great deal of difficulty 2023 4,3 Seventh decile With a great deal of difficulty 2022 4 Seventh decile With a great deal of difficulty 2021 4,2 Seventh decile With a great deal of difficulty 2020 4,7 Seventh decile With a great deal of difficulty 2019 2,9 Seventh decile With a great deal of difficulty 2018 3,6 Seventh decile With a great deal of difficulty 2017 4,7 Seventh decile With a great deal of difficulty 2016 6,9 Seventh decile With a great deal of difficulty 2015 5,8 Seventh decile With a great deal of difficulty 2014 7,7 Seventh decile With a great deal of difficulty 2013 8,5 Seventh decile With a great deal of difficulty 2012 8,6 Seventh decile With a great deal of difficulty 2011 5,8 Seventh decile With a great deal of difficulty 2010 8,8 Seventh decile With a great deal of difficulty 2009 11,1 Seventh decile With a great deal of difficulty 2008 10,4 Seventh decile With a great deal of difficulty 2007 6,9 Seventh decile With a great deal of difficulty 2006 6,9 Seventh decile With a great deal of difficulty 2005 6,3 Seventh decile With a great deal of difficulty 2004 9,9 Seventh decile With difficulty 2024 9,4 Seventh decile With difficulty 2023 10,3 Seventh decile With difficulty 2022 9,1 Seventh decile With difficulty 2021 7,9 Seventh decile With difficulty 2020 9,2 Seventh decile With difficulty 2019 9,9 Seventh decile With difficulty 2018 15,5 Seventh decile With difficulty 2017 11,1 Seventh decile With difficulty 2016 15,5 Seventh decile With difficulty 2015 18,7 Seventh decile With difficulty 2014 16,6 Seventh decile With difficulty 2013 17,9 Seventh decile With difficulty 2012 17,5 Seventh decile With difficulty 2011 16,1 Seventh decile With difficulty 2010 15,9 Seventh decile With difficulty 2009 14,9 Seventh decile With difficulty 2008 15,6 Seventh decile With difficulty 2007 15,4 Seventh decile With difficulty 2006 15,1 Seventh decile With difficulty 2005 16,6 Seventh decile With difficulty 2004 15,1 Seventh decile With a certain degree of difficulty 2024 26,7 Seventh decile With a certain degree of difficulty 2023 26,8 Seventh decile With a certain degree of difficulty 2022 27,1 Seventh decile With a certain degree of difficulty 2021 20,8 Seventh decile With a certain degree of difficulty 2020 20,5 Seventh decile With a certain degree of difficulty 2019 27,5 Seventh decile With a certain degree of difficulty 2018 26,7 Seventh decile With a certain degree of difficulty 2017 30,7 Seventh decile With a certain degree of difficulty 2016 29,7 Seventh decile With a certain degree of difficulty 2015 32 Seventh decile With a certain degree of difficulty 2014 35,9 Seventh decile With a certain degree of difficulty 2013 33,7 Seventh decile With a certain degree of difficulty 2012 32,5 Seventh decile With a certain degree of difficulty 2011 28,3 Seventh decile With a certain degree of difficulty 2010 31 Seventh decile With a certain degree of difficulty 2009 32,3 Seventh decile With a certain degree of difficulty 2008 34,2 Seventh decile With a certain degree of difficulty 2007 34,7 Seventh decile With a certain degree of difficulty 2006 34,9 Seventh decile With a certain degree of difficulty 2005 34,6 Seventh decile With a certain degree of difficulty 2004 34,2 Eighth decile With a great deal of difficulty 2024 3,6 Eighth decile With a great deal of difficulty 2023 3,6 Eighth decile With a great deal of difficulty 2022 3,2 Eighth decile With a great deal of difficulty 2021 2,6 Eighth decile With a great deal of difficulty 2020 1,9 Eighth decile With a great deal of difficulty 2019 1,8 Eighth decile With a great deal of difficulty 2018 2,1 Eighth decile With a great deal of difficulty 2017 1,5 Eighth decile With a great deal of difficulty 2016 4,9 Eighth decile With a great deal of difficulty 2015 3,8 Eighth decile With a great deal of difficulty 2014 5,4 Eighth decile With a great deal of difficulty 2013 7,5 Eighth decile With a great deal of difficulty 2012 5,9 Eighth decile With a great deal of difficulty 2011 3,1 Eighth decile With a great deal of difficulty 2010 5,5 Eighth decile With a great deal of difficulty 2009 8,2 Eighth decile With a great deal of difficulty 2008 5,3 Eighth decile With a great deal of difficulty 2007 7,4 Eighth decile With a great deal of difficulty 2006 6,1 Eighth decile With a great deal of difficulty 2005 6,3 Eighth decile With a great deal of difficulty 2004 4,8 Eighth decile With difficulty 2024 7,7 Eighth decile With difficulty 2023 6,8 Eighth decile With difficulty 2022 7,2 Eighth decile With difficulty 2021 6,7 Eighth decile With difficulty 2020 5,7 Eighth decile With difficulty 2019 6,5 Eighth decile With difficulty 2018 8,9 Eighth decile With difficulty 2017 8,9 Eighth decile With difficulty 2016 11,4 Eighth decile With difficulty 2015 13,6 Eighth decile With difficulty 2014 16,6 Eighth decile With difficulty 2013 15,3 Eighth decile With difficulty 2012 14,3 Eighth decile With difficulty 2011 12,1 Eighth decile With difficulty 2010 13,6 Eighth decile With difficulty 2009 12,7 Eighth decile With difficulty 2008 13,8 Eighth decile With difficulty 2007 12,4 Eighth decile With difficulty 2006 12,6 Eighth decile With difficulty 2005 12,9 Eighth decile With difficulty 2004 16,9 Eighth decile With a certain degree of difficulty 2024 20,8 Eighth decile With a certain degree of difficulty 2023 22,5 Eighth decile With a certain degree of difficulty 2022 20,8 Eighth decile With a certain degree of difficulty 2021 18,2 Eighth decile With a certain degree of difficulty 2020 18,5 Eighth decile With a certain degree of difficulty 2019 22,6 Eighth decile With a certain degree of difficulty 2018 30,4 Eighth decile With a certain degree of difficulty 2017 26,2 Eighth decile With a certain degree of difficulty 2016 28,8 Eighth decile With a certain degree of difficulty 2015 31,1 Eighth decile With a certain degree of difficulty 2014 32,3 Eighth decile With a certain degree of difficulty 2013 32 Eighth decile With a certain degree of difficulty 2012 28,9 Eighth decile With a certain degree of difficulty 2011 28,6 Eighth decile With a certain degree of difficulty 2010 26,7 Eighth decile With a certain degree of difficulty 2009 30 Eighth decile With a certain degree of difficulty 2008 28,6 Eighth decile With a certain degree of difficulty 2007 30,2 Eighth decile With a certain degree of difficulty 2006 34,2 Eighth decile With a certain degree of difficulty 2005 33,4 Eighth decile With a certain degree of difficulty 2004 30,5 Ninth decile With a great deal of difficulty 2024 2,1 Ninth decile With a great deal of difficulty 2023 1,7 Ninth decile With a great deal of difficulty 2022 1,8 Ninth decile With a great deal of difficulty 2021 1,1 Ninth decile With a great deal of difficulty 2020 0,9 Ninth decile With a great deal of difficulty 2019 0,9 Ninth decile With a great deal of difficulty 2018 2,1 Ninth decile With a great deal of difficulty 2017 1,6 Ninth decile With a great deal of difficulty 2016 3,8 Ninth decile With a great deal of difficulty 2015 2,6 Ninth decile With a great deal of difficulty 2014 3,7 Ninth decile With a great deal of difficulty 2013 4,7 Ninth decile With a great deal of difficulty 2012 2,9 Ninth decile With a great deal of difficulty 2011 2,8 Ninth decile With a great deal of difficulty 2010 3,1 Ninth decile With a great deal of difficulty 2009 3,9 Ninth decile With a great deal of difficulty 2008 4,7 Ninth decile With a great deal of difficulty 2007 3,3 Ninth decile With a great deal of difficulty 2006 3,4 Ninth decile With a great deal of difficulty 2005 2,9 Ninth decile With a great deal of difficulty 2004 4 Ninth decile With difficulty 2024 4,4 Ninth decile With difficulty 2023 5,1 Ninth decile With difficulty 2022 4 Ninth decile With difficulty 2021 3,7 Ninth decile With difficulty 2020 4,7 Ninth decile With difficulty 2019 7 Ninth decile With difficulty 2018 5,8 Ninth decile With difficulty 2017 6,5 Ninth decile With difficulty 2016 9 Ninth decile With difficulty 2015 11,3 Ninth decile With difficulty 2014 11,9 Ninth decile With difficulty 2013 10,9 Ninth decile With difficulty 2012 9,6 Ninth decile With difficulty 2011 9,3 Ninth decile With difficulty 2010 8,7 Ninth decile With difficulty 2009 8 Ninth decile With difficulty 2008 7,7 Ninth decile With difficulty 2007 10,2 Ninth decile With difficulty 2006 9,3 Ninth decile With difficulty 2005 10,1 Ninth decile With difficulty 2004 9,9 Ninth decile With a certain degree of difficulty 2024 15,8 Ninth decile With a certain degree of difficulty 2023 14,7 Ninth decile With a certain degree of difficulty 2022 14 Ninth decile With a certain degree of difficulty 2021 13,3 Ninth decile With a certain degree of difficulty 2020 13,3 Ninth decile With a certain degree of difficulty 2019 17,8 Ninth decile With a certain degree of difficulty 2018 21,5 Ninth decile With a certain degree of difficulty 2017 18,1 Ninth decile With a certain degree of difficulty 2016 24,8 Ninth decile With a certain degree of difficulty 2015 22 Ninth decile With a certain degree of difficulty 2014 27,8 Ninth decile With a certain degree of difficulty 2013 30,2 Ninth decile With a certain degree of difficulty 2012 23,9 Ninth decile With a certain degree of difficulty 2011 23,8 Ninth decile With a certain degree of difficulty 2010 23,7 Ninth decile With a certain degree of difficulty 2009 23,7 Ninth decile With a certain degree of difficulty 2008 27,9 Ninth decile With a certain degree of difficulty 2007 29,7 Ninth decile With a certain degree of difficulty 2006 26,7 Ninth decile With a certain degree of difficulty 2005 26,3 Ninth decile With a certain degree of difficulty 2004 27,9 Tenth decile With a great deal of difficulty 2024 0,7 Tenth decile With a great deal of difficulty 2023 1,5 Tenth decile With a great deal of difficulty 2022 0,5 Tenth decile With a great deal of difficulty 2021 0,5 Tenth decile With a great deal of difficulty 2020 0,5 Tenth decile With a great deal of difficulty 2019 0,8 Tenth decile With a great deal of difficulty 2018 0,4 Tenth decile With a great deal of difficulty 2017 0,5 Tenth decile With a great deal of difficulty 2016 1,6 Tenth decile With a great deal of difficulty 2015 1 Tenth decile With a great deal of difficulty 2014 1,4 Tenth decile With a great deal of difficulty 2013 1,7 Tenth decile With a great deal of difficulty 2012 1 Tenth decile With a great deal of difficulty 2011 0,5 Tenth decile With a great deal of difficulty 2010 1,7 Tenth decile With a great deal of difficulty 2009 1,2 Tenth decile With a great deal of difficulty 2008 1,9 Tenth decile With a great deal of difficulty 2007 1,4 Tenth decile With a great deal of difficulty 2006 1,1 Tenth decile With a great deal of difficulty 2005 1,8 Tenth decile With a great deal of difficulty 2004 1,4 Tenth decile With difficulty 2024 2,4 Tenth decile With difficulty 2023 2,3 Tenth decile With difficulty 2022 2,8 Tenth decile With difficulty 2021 1,9 Tenth decile With difficulty 2020 3,9 Tenth decile With difficulty 2019 3,1 Tenth decile With difficulty 2018 4,1 Tenth decile With difficulty 2017 3,6 Tenth decile With difficulty 2016 4 Tenth decile With difficulty 2015 4,1 Tenth decile With difficulty 2014 4,9 Tenth decile With difficulty 2013 6,6 Tenth decile With difficulty 2012 5,5 Tenth decile With difficulty 2011 3,6 Tenth decile With difficulty 2010 4,4 Tenth decile With difficulty 2009 3,9 Tenth decile With difficulty 2008 5 Tenth decile With difficulty 2007 5,3 Tenth decile With difficulty 2006 5,1 Tenth decile With difficulty 2005 4,8 Tenth decile With difficulty 2004 4,5 Tenth decile With a certain degree of difficulty 2024 9,4 Tenth decile With a certain degree of difficulty 2023 11,2 Tenth decile With a certain degree of difficulty 2022 9,3 Tenth decile With a certain degree of difficulty 2021 8,7 Tenth decile With a certain degree of difficulty 2020 8,4 Tenth decile With a certain degree of difficulty 2019 11,3 Tenth decile With a certain degree of difficulty 2018 14,6 Tenth decile With a certain degree of difficulty 2017 12,5 Tenth decile With a certain degree of difficulty 2016 15,5 Tenth decile With a certain degree of difficulty 2015 16,2 Tenth decile With a certain degree of difficulty 2014 19,5 Tenth decile With a certain degree of difficulty 2013 16,9 Tenth decile With a certain degree of difficulty 2012 15,9 Tenth decile With a certain degree of difficulty 2011 17,7 Tenth decile With a certain degree of difficulty 2010 13,9 Tenth decile With a certain degree of difficulty 2009 17,4 Tenth decile With a certain degree of difficulty 2008 20 Tenth decile With a certain degree of difficulty 2007 14,4 Tenth decile With a certain degree of difficulty 2006 18 Tenth decile With a certain degree of difficulty 2005 15,3 Tenth decile With a certain degree of difficulty 2004 16,9