| قيمة | فئة | حالات | |
|---|---|---|---|
| 0 | 18 |
72%
|
|
| 1 | 4 |
16%
|
|
| 2 | 1 |
4%
|
|
| 3 | 1 |
4%
|
|
| 20 | 1 |
4%
|
|
| Sysmiss | 9975 |