| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 30 |
30.3%
|
| 2 | no | 64 |
64.6%
|
| 3 | (dk) | 2 |
2%
|
| 4 | (ref) | 3 |
3%
|
| Sysmiss | 904 |