Education level	Degree of confidence	Periodo	Total
Total	From 0 to 4	2013	65,2
Total	From 5 to 6	2013	26,6
Total	From 7 to 8	2013	7
Total	From 9 to 10	2013	1,3
Total	Average confidence	2013	3
Level (0-2): preschool, primary and secondary, 1st stage	From 0 to 4	2013	67,6
Level (0-2): preschool, primary and secondary, 1st stage	From 5 to 6	2013	25,2
Level (0-2): preschool, primary and secondary, 1st stage	From 7 to 8	2013	6,1
Level (0-2): preschool, primary and secondary, 1st stage	From 9 to 10	2013	1,1
Level (0-2): preschool, primary and secondary, 1st stage	Average confidence	2013	2,8
Level (3-4)secondary, 2nd stage and non-higher post-secondary	From 0 to 4	2013	64,1
Level (3-4)secondary, 2nd stage and non-higher post-secondary	From 5 to 6	2013	26,6
Level (3-4)secondary, 2nd stage and non-higher post-secondary	From 7 to 8	2013	7,8
Level (3-4)secondary, 2nd stage and non-higher post-secondary	From 9 to 10	2013	1,6
Level (3-4)secondary, 2nd stage and non-higher post-secondary	Average confidence	2013	3,2
Level (5-8): first and second cycle of higher education and doctorate	From 0 to 4	2013	61,5
Level (5-8): first and second cycle of higher education and doctorate	From 5 to 6	2013	29,3
Level (5-8): first and second cycle of higher education and doctorate	From 7 to 8	2013	7,9
Level (5-8): first and second cycle of higher education and doctorate	From 9 to 10	2013	1,3
Level (5-8): first and second cycle of higher education and doctorate	Average confidence	2013	3,4