| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 614 |
78.5%
|
| 2 | no | 138 |
17.6%
|
| 3 | (dk) | 12 |
1.5%
|
| 4 | (ref) | 18 |
2.3%
|
| Sysmiss | 218 |