| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 13 |
5.4%
|
| -8 | Refusal (spontaneous) | 1 |
0.4%
|
| -7 | Does not apply | 0 |
0%
|
| 1 | Yes | 2 |
0.8%
|
| 2 | No | 223 |
93.3%
|
| Sysmiss | 362 |