| قيمة | فئة | حالات | |
|---|---|---|---|
| -2 | 89 |
20.5%
|
|
| 4 | 17 |
3.9%
|
|
| 7 | 154 |
35.4%
|
|
| 9 | 24 |
5.5%
|
|
| 17 | 151 |
34.7%
|