| قيمة | فئة | حالات | |
|---|---|---|---|
| 0 | 7 |
2.5%
|
|
| 1 | 257 |
90.5%
|
|
| 2 | 17 |
6%
|
|
| 3 | 3 |
1.1%
|
|
| Sysmiss | 2712 |