| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 828 |
84.9%
|
| 2 | no | 143 |
14.7%
|
| 3 | (dk) | 2 |
0.2%
|
| 4 | (ref) | 2 |
0.2%
|
| Sysmiss | 32 |