| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 223 |
27.2%
|
| 2 | no | 592 |
72.1%
|
| 3 | (dk) | 1 |
0.1%
|
| 4 | (ref) | 5 |
0.6%
|
| Sysmiss | 179 |