| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
3%
|
| -8 | Refusal (spontaneous) | 3 |
3%
|
| 1 | Yes | 25 |
25%
|
| 2 | No | 69 |
69%
|
| Sysmiss | 1332 |