| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 248 |
41.1%
|
| 2 | no | 347 |
57.5%
|
| 3 | (dk) | 2 |
0.3%
|
| 4 | (ref) | 6 |
1%
|
| Sysmiss | 399 |