| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 36857 |
52.9%
|
| 2 | no | 32169 |
46.2%
|
| 3 | (dk) | 459 |
0.7%
|
| 4 | (ref) | 161 |
0.2%
|
| Sysmiss | 74241 |