| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 836 |
89%
|
| 2 | no | 85 |
9.1%
|
| 3 | (dk) | 5 |
0.5%
|
| 4 | (ref) | 13 |
1.4%
|
| Sysmiss | 62 |