| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 21 |
25%
|
| -8 | Refusal (spontaneous) | 5 |
6%
|
| -7 | 2 |
2.4%
|
|
| 1 | Yes | 16 |
19%
|
| 2 | No | 40 |
47.6%
|
| Sysmiss | 914 |