| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 232 |
44.4%
|
| 2 | no | 285 |
54.6%
|
| 3 | (dk) | 1 |
0.2%
|
| 4 | (ref) | 4 |
0.8%
|
| Sysmiss | 478 |