| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 89 |
58.2%
|
| 2 | no | 53 |
34.6%
|
| 3 | (dk) | 2 |
1.3%
|
| 4 | (ref) | 9 |
5.9%
|
| Sysmiss | 349 |