| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 2741 |
84.4%
|
| 2 | no | 500 |
15.4%
|
| 3 | (dk) | 6 |
0.2%
|
| 4 | (ref) | 1 |
0%
|
| Sysmiss | 252 |