| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 59 |
38.6%
|
| 2 | no | 83 |
54.2%
|
| 3 | (dk) | 4 |
2.6%
|
| 4 | (ref) | 7 |
4.6%
|
| Sysmiss | 349 |