| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 1867 |
15%
|
| 2 | no | 765 |
6.1%
|
| 8 | dk | 2 |
0%
|
| 9 | missing | 38 |
0.3%
|
| Sysmiss | 9816 |
78.6%
|