| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 9 |
1.7%
|
| -8 | Refusal (spontaneous) | 20 |
3.8%
|
| 1 | Yes | 242 |
45.7%
|
| 2 | No | 259 |
48.9%
|
| Sysmiss | 489 |