| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 19 |
50%
|
| 2 | no | 17 |
44.7%
|
| 3 | (dk) | 2 |
5.3%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 962 |