| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 601 |
72.1%
|
| 2 | no | 222 |
26.6%
|
| 3 | (dk) | 5 |
0.6%
|
| 4 | (ref) | 6 |
0.7%
|
| Sysmiss | 166 |