| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 10 |
5%
|
| 2 | no | 184 |
91.5%
|
| 3 | (dk) | 3 |
1.5%
|
| 4 | (ref) | 4 |
2%
|
| Sysmiss | 807 |