| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 33 |
56.9%
|
| 2 | no | 22 |
37.9%
|
| 3 | (dk) | 0 |
0%
|
| 4 | (ref) | 3 |
5.2%
|
| Sysmiss | 951 |