| قيمة | فئة | حالات | |
|---|---|---|---|
| 0 | 933 |
14.5%
|
|
| 1 | 1449 |
22.5%
|
|
| 2 | 1840 |
28.5%
|
|
| 3 | 1650 |
25.6%
|
|
| 4 | 576 |
8.9%
|