| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 28 |
8.8%
|
| -8 | Refusal (spontaneous) | 0 |
0%
|
| -7 | Does not apply (spontaneous) | 3 |
0.9%
|
| 1 | Yes | 4 |
1.3%
|
| 2 | No | 285 |
89.1%
|
| Sysmiss | 1343 |