| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 13315 |
12.2%
|
| 2 | no | 94681 |
86.9%
|
| 3 | (dk) | 406 |
0.4%
|
| 4 | (ref) | 574 |
0.5%
|
| Sysmiss | 40785 |