| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 384 |
1.8%
|
| 2 | no | 20918 |
97.5%
|
| 3 | (dk) | 107 |
0.5%
|
| 4 | (ref) | 50 |
0.2%
|
| Sysmiss | 125229 |