| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 21 |
10.8%
|
| 2 | no | 165 |
85.1%
|
| 3 | (dk) | 7 |
3.6%
|
| 4 | (ref) | 1 |
0.5%
|
| Sysmiss | 806 |