| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 495 |
75.6%
|
| 2 | no | 152 |
23.2%
|
| 3 | (dk) | 6 |
0.9%
|
| 4 | (ref) | 2 |
0.3%
|
| Sysmiss | 345 |