| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 482 |
66.1%
|
| 2 | no | 226 |
31%
|
| 3 | (dk) | 19 |
2.6%
|
| 4 | (ref) | 2 |
0.3%
|
| Sysmiss | 272 |