| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 596 |
72.3%
|
| 2 | no | 224 |
27.2%
|
| 3 | (dk) | 2 |
0.2%
|
| 4 | (ref) | 2 |
0.2%
|
| Sysmiss | 198 |