| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 37 |
22%
|
| 2 | no | 122 |
72.6%
|
| 3 | (dk) | 4 |
2.4%
|
| 4 | (ref) | 5 |
3%
|
| Sysmiss | 846 |