| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 1 |
1%
|
| -7 | not applicable | 2 |
2.1%
|
| 1 | yes | 60 |
62.5%
|
| 2 | no | 33 |
34.4%
|
| Sysmiss | 859 |