| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 424 |
53.4%
|
| 2 | no | 341 |
42.9%
|
| 3 | (dk) | 5 |
0.6%
|
| 4 | (ref) | 24 |
3%
|
| Sysmiss | 206 |