| قيمة | فئة | حالات | |
|---|---|---|---|
| 0 | 897 |
28.4%
|
|
| 1 | 983 |
31.1%
|
|
| 2 | 1042 |
32.9%
|
|
| 3 | 180 |
5.7%
|
|
| 4 | 62 |
2%
|