| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 288 |
77.2%
|
| 2 | no | 83 |
22.3%
|
| 3 | (dk) | 1 |
0.3%
|
| 4 | (ref) | 1 |
0.3%
|
| Sysmiss | 627 |