| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 14800 |
19.8%
|
| 2 | no | 57047 |
76.3%
|
| 3 | (dk) | 1718 |
2.3%
|
| 4 | (ref) | 1186 |
1.6%
|
| Sysmiss | 75010 |