| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 812 |
83.1%
|
| 2 | no | 163 |
16.7%
|
| 3 | (dk) | 1 |
0.1%
|
| 4 | (ref) | 1 |
0.1%
|
| Sysmiss | 40 |