| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 234 |
49.6%
|
| 2 | no | 227 |
48.1%
|
| 3 | (dk) | 9 |
1.9%
|
| 4 | (ref) | 2 |
0.4%
|
| Sysmiss | 528 |