| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 195 |
20.9%
|
| 2 | no | 729 |
78.3%
|
| 3 | (dk) | 6 |
0.6%
|
| 4 | (ref) | 1 |
0.1%
|
| Sysmiss | 69 |