| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 27 |
50.9%
|
| 2 | no | 24 |
45.3%
|
| 3 | (dk) | 0 |
0%
|
| 4 | (ref) | 2 |
3.8%
|
| Sysmiss | 956 |