| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 735 |
76.2%
|
| 2 | no | 203 |
21%
|
| 3 | (dk) | 24 |
2.5%
|
| 4 | (ref) | 3 |
0.3%
|
| Sysmiss | 44 |