| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 666 |
75.2%
|
| 2 | no | 212 |
23.9%
|
| 3 | (dk) | 5 |
0.6%
|
| 4 | (ref) | 3 |
0.3%
|
| Sysmiss | 123 |