| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 0 |
0%
|
| -7 | not applicable | 2 |
2.1%
|
| 1 | yes | 66 |
68.8%
|
| 2 | no | 28 |
29.2%
|
| Sysmiss | 859 |