| قيمة | فئة | حالات | |
|---|---|---|---|
| 15 | 3 |
3.9%
|
|
| 18 | 45 |
59.2%
|
|
| 22 | 6 |
7.9%
|
|
| 24 | 5 |
6.6%
|
|
| 25 | 5 |
6.6%
|
|
| 28 | 12 |
15.8%
|