| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
3.4%
|
| -8 | Refusal (spontaneous) | 0 |
0%
|
| -7 | Does not apply | 3 |
1.7%
|
| 1 | Yes | 41 |
22.9%
|
| 2 | No | 129 |
72.1%
|
| Sysmiss | 198 |