| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 847 |
87.6%
|
| 2 | no | 112 |
11.6%
|
| 3 | (dk) | 3 |
0.3%
|
| 4 | (ref) | 5 |
0.5%
|
| Sysmiss | 33 |