| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 5 |
6%
|
| 2 | no | 75 |
89.3%
|
| 3 | (dk) | 3 |
3.6%
|
| 4 | (ref) | 1 |
1.2%
|
| Sysmiss | 916 |