| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 101 |
15.3%
|
| 2 | no | 552 |
83.6%
|
| 3 | (dk) | 7 |
1.1%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 340 |