2-4 سنوات
31%
16%
17%
17%
26%
4%
17%
17%
24%
17%
6%
25%
30%
17%
17%
17%
28%
28%
28%
28%
30%
30%
12%
12%
35%
29%
35%
35%
35%
35%
17%
17%
17%
17%
17%
17%
17%
17%
17%