| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
1.3%
|
| -8 | Refusal (spontaneous) | 0 |
0%
|
| 1 | Yes | 132 |
58.1%
|
| 2 | No | 92 |
40.5%
|
| Sysmiss | 132 |