| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
1.7%
|
| -8 | Refusal (spontaneous) | 1 |
0.6%
|
| 1 | Yes | 106 |
59.6%
|
| 2 | No | 68 |
38.2%
|
| Sysmiss | 918 |