| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 62 |
7.6%
|
| 2 | no | 752 |
91.7%
|
| 3 | (dk) | 6 |
0.7%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 180 |