| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 5 |
1.4%
|
| -8 | Refusal (spontaneous) | 0 |
0%
|
| 1 | Yes | 227 |
63.4%
|
| 2 | No | 126 |
35.2%
|
| Sysmiss | 1 |