| قيمة | فئة | حالات | |
|---|---|---|---|
| 0 | 899 |
56.8%
|
|
| 1 | 417 |
26.4%
|
|
| 2 | 237 |
15%
|
|
| 3 | 24 |
1.5%
|
|
| 4 | 5 |
0.3%
|