| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 611 |
74.7%
|
| 2 | no | 196 |
24%
|
| 3 | (dk) | 10 |
1.2%
|
| 4 | (ref) | 1 |
0.1%
|
| Sysmiss | 182 |