| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 6 |
3%
|
| 2 | no | 187 |
93%
|
| 3 | (dk) | 3 |
1.5%
|
| 4 | (ref) | 5 |
2.5%
|
| Sysmiss | 807 |