| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 25 |
16.4%
|
| 2 | no | 119 |
78.3%
|
| 3 | (dk) | 5 |
3.3%
|
| 4 | (ref) | 3 |
2%
|
| Sysmiss | 849 |