| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 49 |
0.7%
|
| 2 | No | 6906 |
98.7%
|
| 8 | Dk | 28 |
0.4%
|
| 9 | No response | 17 |
0.2%
|
| Sysmiss | 1533 |