| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 3629 |
15.3%
|
| 2 | no | 377 |
1.6%
|
| 8 | dk | 1 |
0%
|
| 9 | missing | 2 |
0%
|
| Sysmiss | 19707 |
83.1%
|