| قيمة | فئة | حالات | |
|---|---|---|---|
| 0 | 78 |
29.5%
|
|
| 1 | 150 |
56.8%
|
|
| 2 | 26 |
9.8%
|
|
| 3 | 8 |
3%
|
|
| 4 | 2 |
0.8%
|