| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 462 |
78.7%
|
| 2 | no | 112 |
19.1%
|
| 3 | (dk) | 10 |
1.7%
|
| 4 | (ref) | 3 |
0.5%
|
| Sysmiss | 414 |