| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 23 |
56.1%
|
| 2 | no | 16 |
39%
|
| 3 | (dk) | 1 |
2.4%
|
| 4 | (ref) | 1 |
2.4%
|
| Sysmiss | 961 |