| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 19526 |
59.2%
|
| 2 | no | 13347 |
40.5%
|
| 3 | (dk) | 59 |
0.2%
|
| 4 | (ref) | 24 |
0.1%
|
| Sysmiss | 110931 |