| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 26 |
3.6%
|
| 2 | no | 689 |
96%
|
| 3 | (dk) | 3 |
0.4%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 282 |