| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 88 |
49.2%
|
| 2 | no | 85 |
47.5%
|
| 3 | (dk) | 4 |
2.2%
|
| 4 | (ref) | 2 |
1.1%
|
| Sysmiss | 821 |