| قيمة | فئة | حالات | |
|---|---|---|---|
| 0 | 11 |
3.4%
|
|
| 1 | 297 |
90.5%
|
|
| 2 | 15 |
4.6%
|
|
| 3 | 2 |
0.6%
|
|
| 4 | 1 |
0.3%
|
|
| 7 | 1 |
0.3%
|
|
| 8 | 1 |
0.3%
|
|
| Sysmiss | 627 |