| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
4.9%
|
| -8 | Refusal (spontaneous) | 4 |
3.9%
|
| 1 | Yes | 9 |
8.8%
|
| 2 | No | 84 |
82.4%
|
| Sysmiss | 911 |