| قيمة | فئة | حالات | |
|---|---|---|---|
| 0 | 6 |
1.7%
|
|
| 1 | 62 |
17.2%
|
|
| 2 | 234 |
65%
|
|
| 3 | 58 |
16.1%
|
|
| Sysmiss | 895 |