| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 424 |
6.1%
|
| 2 | No | 6556 |
93.7%
|
| 8 | Dk | 11 |
0.2%
|
| 9 | No response | 9 |
0.1%
|
| Sysmiss | 1533 |