| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 142 |
21.3%
|
| 2 | no | 522 |
78.1%
|
| 3 | (dk) | 4 |
0.6%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 333 |