| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 239 |
29.8%
|
| 2 | no | 522 |
65.2%
|
| 3 | (dk) | 40 |
5%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 199 |