| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 286 |
42.6%
|
| 2 | no | 351 |
52.2%
|
| 3 | (dk) | 32 |
4.8%
|
| 4 | (ref) | 3 |
0.4%
|
| Sysmiss | 2328 |