| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -8 | Refusal (spontaneous) | 22 |
13.3%
|
| 1 | Yes | 33 |
20%
|
| 2 | No | 110 |
66.7%
|
| Sysmiss | 8 |