| قيمة | فئة | حالات | |
|---|---|---|---|
| 0 | 14 |
22.6%
|
|
| 1 | 17 |
27.4%
|
|
| 2 | 12 |
19.4%
|
|
| 3 | 6 |
9.7%
|
|
| 4 | 13 |
21%
|