| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 130 |
39.6%
|
| 2 | no | 195 |
59.5%
|
| 3 | (dk) | 2 |
0.6%
|
| 4 | (ref) | 1 |
0.3%
|
| Sysmiss | 174 |