| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 36 |
55.4%
|
| 2 | no | 25 |
38.5%
|
| 3 | (dk) | 4 |
6.2%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 935 |