| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 33 |
33.3%
|
| 2 | no | 61 |
61.6%
|
| 3 | (dk) | 1 |
1%
|
| 4 | (ref) | 4 |
4%
|
| Sysmiss | 904 |