| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 17 |
10.4%
|
| -8 | Refusal (spontaneous) | 20 |
12.3%
|
| 1 | Yes | 71 |
43.6%
|
| 2 | No | 55 |
33.7%
|
| Sysmiss | 1174 |