| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 184 |
29.4%
|
| 2 | no | 389 |
62.2%
|
| 3 | (dk) | 52 |
8.3%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 375 |