| قيمة | فئة | حالات | |
|---|---|---|---|
| 0 | Less than one year | 143 |
0.8%
|
| 1 | 450 |
2.5%
|
|
| 2 | 1775 |
10%
|
|
| 3 | 10134 |
57%
|
|
| 4 | 3618 |
20.3%
|
|
| 5 | 698 |
3.9%
|
|
| 6 | 976 |
5.5%
|
|
| 8 | Don't know | 0 |
0%
|
| Sysmiss | 3473 |