| قيمة | فئة | حالات | |
|---|---|---|---|
| 1 | قبل عام 1950 | 28 |
14.4%
|
| 2 | (1950 -1959) | 119 |
61.3%
|
| 3 | (1960 - 1969) | 47 |
24.2%
|
| 4 | (1970 - 1979) | 0 |
0%
|
| 5 | (1980 - 1989) | 0 |
0%
|
| 6 | (1990 - 1999) | 0 |
0%
|
| 7 | بعد 2000 | 0 |
0%
|