| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 243 |
44.9%
|
| 2 | no | 225 |
41.6%
|
| 3 | (dk) | 68 |
12.6%
|
| 4 | (ref) | 5 |
0.9%
|
| Sysmiss | 467 |