| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 0 |
0%
|
| -7 | not applicable | 5 |
5.2%
|
| 1 | yes | 53 |
55.2%
|
| 2 | no | 38 |
39.6%
|
| Sysmiss | 859 |