| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 19266 |
28.2%
|
| 2 | no | 46546 |
68.1%
|
| 3 | (dk) | 2060 |
3%
|
| 4 | (ref) | 514 |
0.8%
|
| Sysmiss | 86537 |