| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 968 |
41.6%
|
| 2 | no | 1341 |
57.6%
|
| 3 | (dk) | 18 |
0.8%
|
| 4 | (ref) | 1 |
0%
|
| Sysmiss | 672 |