| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 68 |
42.8%
|
| 2 | no | 66 |
41.5%
|
| 3 | (dk) | 20 |
12.6%
|
| 4 | (ref) | 5 |
3.1%
|
| Sysmiss | 841 |