| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 94 |
23.7%
|
| 2 | no | 294 |
74.2%
|
| 3 | (dk) | 6 |
1.5%
|
| 4 | (ref) | 2 |
0.5%
|
| Sysmiss | 629 |