| قيمة | فئة | حالات | |
|---|---|---|---|
| 0 | 2 |
0.4%
|
|
| 1 | 338 |
75.8%
|
|
| 2 | 80 |
17.9%
|
|
| 3 | 16 |
3.6%
|
|
| 4 | 7 |
1.6%
|
|
| 5 | 2 |
0.4%
|
|
| 6 | 1 |
0.2%
|
|
| Sysmiss | 509 |