| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 204 |
30.4%
|
| 2 | no | 445 |
66.2%
|
| 3 | (dk) | 17 |
2.5%
|
| 4 | (ref) | 6 |
0.9%
|
| Sysmiss | 2328 |