| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 233 |
28.4%
|
| 2 | no | 585 |
71.3%
|
| 3 | (dk) | 2 |
0.2%
|
| 4 | (ref) | 0 |
0%
|
| Sysmiss | 191 |