| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 111 |
20.5%
|
| 2 | no | 395 |
73%
|
| 3 | (dk) | 30 |
5.5%
|
| 4 | (ref) | 5 |
0.9%
|
| Sysmiss | 467 |