| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 806 |
87.3%
|
| 2 | no | 107 |
11.6%
|
| 3 | (dk) | 8 |
0.9%
|
| 4 | (ref) | 2 |
0.2%
|
| Sysmiss | 89 |