| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 624 |
9.4%
|
| 2 | no | 5893 |
88.9%
|
| 3 | (dk) | 75 |
1.1%
|
| 4 | (ref) | 36 |
0.5%
|
| Sysmiss | 148295 |