Age	Degree of confidence	Periodo	Total
Total	From 0 to 4	2013	81,7
Total	From 5 to 6	2013	14,5
Total	From 7 to 8	2013	3,1
Total	From 9 to 10	2013	0,6
Total	Average confidence	2013	1,9
From 16 to 24 years	From 0 to 4	2013	80,2
From 16 to 24 years	From 5 to 6	2013	15,7
From 16 to 24 years	From 7 to 8	2013	3,1
From 16 to 24 years	From 9 to 10	2013	1
From 16 to 24 years	Average confidence	2013	2
From 25 to 34 years	From 0 to 4	2013	83,8
From 25 to 34 years	From 5 to 6	2013	13,1
From 25 to 34 years	From 7 to 8	2013	2,6
From 25 to 34 years	From 9 to 10	2013	0,5
From 25 to 34 years	Average confidence	2013	1,8
From 35 to 49	From 0 to 4	2013	84,3
From 35 to 49	From 5 to 6	2013	12,6
From 35 to 49	From 7 to 8	2013	2,6
From 35 to 49	From 9 to 10	2013	0,4
From 35 to 49	Average confidence	2013	1,7
From 15 to 64 years old	From 0 to 4	2013	83,7
From 15 to 64 years old	From 5 to 6	2013	13
From 15 to 64 years old	From 7 to 8	2013	2,8
From 15 to 64 years old	From 9 to 10	2013	0,5
From 15 to 64 years old	Average confidence	2013	1,8
From 65 and over	From 0 to 4	2013	74,5
From 65 and over	From 5 to 6	2013	19,6
From 65 and over	From 7 to 8	2013	4,7
From 65 and over	From 9 to 10	2013	1,1
From 65 and over	Average confidence	2013	2,3