| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 37 |
39.4%
|
| 2 | no | 52 |
55.3%
|
| 3 | (dk) | 4 |
4.3%
|
| 4 | (ref) | 1 |
1.1%
|
| Sysmiss | 906 |