| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 1 |
1.1%
|
| -8 | Refused | 0 |
0%
|
| 1 | Yes | 69 |
72.6%
|
| 2 | No | 25 |
26.3%
|
| Sysmiss | 860 |