Sex	Degree of confidence	Periodo	Total
Total	From 0 to 4	2013	65
Total	From 5 to 6	2013	26,7
Total	From 7 to 8	2013	7
Total	From 9 to 10	2013	1,3
Total	Average confidence	2013	3,1
Males	From 0 to 4	2013	65,2
Males	From 5 to 6	2013	26,1
Males	From 7 to 8	2013	7,2
Males	From 9 to 10	2013	1,4
Males	Average confidence	2013	3
Females	From 0 to 4	2013	64,8
Females	From 5 to 6	2013	27,3
Females	From 7 to 8	2013	6,8
Females	From 9 to 10	2013	1,1
Females	Average confidence	2013	3,1