| قيمة | فئة | حالات | |
|---|---|---|---|
| 1 | < 20 | 47 |
0.9%
|
| 2 | 20- | 158 |
2.9%
|
| 3 | 40- | 756 |
14.1%
|
| 4 | 60- | 2404 |
44.9%
|
| 5 | 80+ | 1991 |
37.2%
|