| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 341 |
27%
|
| 2 | no | 906 |
71.7%
|
| 3 | (dk) | 14 |
1.1%
|
| 4 | (ref) | 2 |
0.2%
|
| Sysmiss | 748 |