| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 28 |
48.3%
|
| 2 | no | 25 |
43.1%
|
| 3 | (dk) | 0 |
0%
|
| 4 | (ref) | 5 |
8.6%
|
| Sysmiss | 951 |