| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 174 |
61.5%
|
| 2 | no | 97 |
34.3%
|
| 3 | (dk) | 7 |
2.5%
|
| 4 | (ref) | 5 |
1.8%
|
| Sysmiss | 717 |