Nationality	Degree of confidence	Periodo	Total
Total	From 0 to 4	2013	26
Total	From 5 to 6	2013	37,5
Total	From 7 to 8	2013	28,3
Total	From 9 to 10	2013	8,2
Total	Average confidence	2013	5,4
Spanish	From 0 to 4	2013	26,5
Spanish	From 5 to 6	2013	37,7
Spanish	From 7 to 8	2013	28,2
Spanish	From 9 to 10	2013	7,6
Spanish	Average confidence	2013	5,4
Foreign: European Union	From 0 to 4	2013	19,3
Foreign: European Union	From 5 to 6	2013	35
Foreign: European Union	From 7 to 8	2013	32,5
Foreign: European Union	From 9 to 10	2013	13,2
Foreign: European Union	Average confidence	2013	6
Foreign: Rest of the world	From 0 to 4	2013	22,6
Foreign: Rest of the world	From 5 to 6	2013	36,6
Foreign: Rest of the world	From 7 to 8	2013	27,5
Foreign: Rest of the world	From 9 to 10	2013	13,3
Foreign: Rest of the world	Average confidence	2013	5,7