| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 80 |
36.7%
|
| 2 | no | 111 |
50.9%
|
| 3 | (dk) | 16 |
7.3%
|
| 4 | (ref) | 11 |
5%
|
| Sysmiss | 782 |