| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 569 |
65.3%
|
| 2 | no | 280 |
32.1%
|
| 3 | (dk) | 22 |
2.5%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 129 |