| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 12 |
12.5%
|
| -8 | Refusal (spontaneous) | 3 |
3.1%
|
| 1 | Yes | 61 |
63.5%
|
| 2 | No | 20 |
20.8%
|
| Sysmiss | 175 |