| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 144 |
75.8%
|
| 2 | no | 40 |
21.1%
|
| 3 | (dk) | 4 |
2.1%
|
| 4 | (ref) | 2 |
1.1%
|
| Sysmiss | 810 |