| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 2 |
2.6%
|
| -8 | Refused | 0 |
0%
|
| 1 | Yes | 34 |
44.2%
|
| 2 | No | 41 |
53.2%
|
| Sysmiss | 1009 |