| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 287 |
37.6%
|
| 2 | no | 471 |
61.7%
|
| 3 | (dk) | 2 |
0.3%
|
| 4 | (ref) | 3 |
0.4%
|
| Sysmiss | 237 |