| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 276 |
60.3%
|
| 2 | no | 179 |
39.1%
|
| 3 | (dk) | 1 |
0.2%
|
| 4 | (ref) | 2 |
0.4%
|
| Sysmiss | 542 |