| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 239 |
66.8%
|
| 2 | no | 108 |
30.2%
|
| 3 | (dk) | 10 |
2.8%
|
| 4 | (ref) | 1 |
0.3%
|
| Sysmiss | 642 |