| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 566 |
20.5%
|
| 2 | no | 2119 |
76.9%
|
| 3 | (dk) | 29 |
1.1%
|
| 4 | (ref) | 41 |
1.5%
|
| Sysmiss | 141132 |