| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 36 |
27.1%
|
| 2 | no | 92 |
69.2%
|
| 3 | (dk) | 2 |
1.5%
|
| 4 | (ref) | 3 |
2.3%
|
| Sysmiss | 872 |