| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 180 |
86.1%
|
| 2 | no | 25 |
12%
|
| 3 | (dk) | 2 |
1%
|
| 4 | (ref) | 2 |
1%
|
| Sysmiss | 800 |