| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 23 |
2.9%
|
| 2 | no | 759 |
94.6%
|
| 3 | (dk) | 0 |
0%
|
| 4 | (ref) | 20 |
2.5%
|
| Sysmiss | 206 |