| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 37 |
4.7%
|
| 2 | no | 747 |
94%
|
| 3 | (dk) | 11 |
1.4%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 206 |