#دراسة الحالة
19%
20%
58%
50%
20%
50%
50%
50%
50%
58%
50%
50%
50%
19%
19%
20%
20%
20%
57%
57%
64%
64%
63%
63%
61%
61%
61%
58%
58%
50%
50%
50%
50%
45%
45%
45%
45%
45%
45%
57%
57%
57%
73%
73%
73%
45%
63%
63%
64%
64%
