| Value | Category | Cases | |
|---|---|---|---|
| 1 | no | 279 |
8.1%
|
| 2 | yes | 3086 |
89.9%
|
| 8 | don't know | 56 |
1.6%
|
| 9 | refused | 10 |
0.3%
|
| Sysmiss | 1829 |