| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
1.3%
|
| -8 | Refusal (spontaneous) | 3 |
2%
|
| -7 | Does not apply | 5 |
3.4%
|
| 1 | Yes | 29 |
19.5%
|
| 2 | No | 110 |
73.8%
|
| Sysmiss | 211 |