| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 6479 |
30.2%
|
| 2 | no | 14863 |
69.3%
|
| 3 | (dk) | 69 |
0.3%
|
| 4 | (ref) | 48 |
0.2%
|
| Sysmiss | 125229 |