| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 190 |
30.9%
|
| 2 | no | 376 |
61.1%
|
| 3 | (dk) | 47 |
7.6%
|
| 4 | (ref) | 2 |
0.3%
|
| Sysmiss | 410 |