| قيمة | فئة | حالات | |
|---|---|---|---|
| 2 | 348 |
91.8%
|
|
| 3 | 26 |
6.9%
|
|
| 4 | 4 |
1.1%
|
|
| 98 | Don't know | 1 |
0.3%
|
| Sysmiss | 15417 |