| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 16 |
25.4%
|
| 2 | no | 44 |
69.8%
|
| 3 | (dk) | 2 |
3.2%
|
| 4 | (ref) | 1 |
1.6%
|
| Sysmiss | 937 |