| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 13774 |
18.6%
|
| 2 | no | 58753 |
79.2%
|
| 3 | (dk) | 505 |
0.7%
|
| 4 | (ref) | 1176 |
1.6%
|
| Sysmiss | 75553 |