| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 63 |
31.3%
|
| 2 | no | 126 |
62.7%
|
| 3 | (dk) | 6 |
3%
|
| 4 | (ref) | 6 |
3%
|
| Sysmiss | 807 |