| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 372 |
52.3%
|
| 2 | no | 321 |
45.1%
|
| 3 | (dk) | 7 |
1%
|
| 4 | (ref) | 11 |
1.5%
|
| Sysmiss | 289 |