| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 49 |
4%
|
| -8 | Refusal (spontaneous) | 13 |
1.1%
|
| 1 | Yes | 515 |
41.7%
|
| 2 | No | 657 |
53.2%
|
| Sysmiss | 5 |