| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 161 |
27.4%
|
| 2 | no | 360 |
61.2%
|
| 3 | (dk) | 62 |
10.5%
|
| 4 | (ref) | 5 |
0.9%
|
| Sysmiss | 412 |