| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 19 |
0.7%
|
| 2 | No | 2803 |
99.1%
|
| 8 | Dk | 3 |
0.1%
|
| 9 | No response | 3 |
0.1%
|
| Sysmiss | 1197 |