| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 2 |
1.1%
|
| -8 | Refusal (spontaneous) | 3 |
1.7%
|
| -7 | Does not apply | 0 |
0%
|
| 1 | Yes | 17 |
9.8%
|
| 2 | No | 152 |
87.4%
|
| Sysmiss | 358 |