| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 349 |
46.8%
|
| 2 | no | 389 |
52.2%
|
| 3 | (dk) | 1 |
0.1%
|
| 4 | (ref) | 6 |
0.8%
|
| Sysmiss | 258 |