قيمة | فئة | حالات | |
---|---|---|---|
1 | (1925-1979) | 23 |
9.8%
|
2 | (1980-1990) | 46 |
19.6%
|
3 | (1991-2000) | 70 |
29.8%
|
4 | (2001-فأكثر) | 96 |
40.9%
|