| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 28 |
18.5%
|
| 2 | no | 114 |
75.5%
|
| 3 | (dk) | 5 |
3.3%
|
| 4 | (ref) | 4 |
2.6%
|
| Sysmiss | 849 |