| قيمة | فئة | حالات | |
|---|---|---|---|
| 0 | 13 |
17.3%
|
|
| 6 | 1 |
1.3%
|
|
| 9 | 3 |
4%
|
|
| 10 | 1 |
1.3%
|
|
| 12 | 57 |
76%
|