| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 57 |
38.3%
|
| 2 | no | 88 |
59.1%
|
| 3 | (dk) | 1 |
0.7%
|
| 4 | (ref) | 3 |
2%
|
| Sysmiss | 853 |