| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
1.6%
|
| -8 | Refusal (spontaneous) | 2 |
1.6%
|
| 1 | Yes | 35 |
27.1%
|
| 2 | No | 90 |
69.8%
|
| Sysmiss | 890 |