| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
2.6%
|
| -8 | Refusal (spontaneous) | 1 |
0.7%
|
| 1 | Yes | 97 |
64.2%
|
| 2 | No | 49 |
32.5%
|
| Sysmiss | 207 |