سن 8-13
30%
27%
28%
18%
28%
27%
29%
27%
27%
29%
15%
28%
9%
12%
17%
28%
21%
22%
31%
12%
32%
18%
29%
33%
35%
34%
41%
12%
22%
16%
30%
31%
36%
13%
18%
32%
28%
19%
30%
31%
35%
23%
29%
17%
26%
22%
9%