| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 90 |
50.3%
|
| 2 | no | 78 |
43.6%
|
| 3 | (dk) | 10 |
5.6%
|
| 4 | (ref) | 1 |
0.6%
|
| Sysmiss | 821 |