| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 214 |
44.2%
|
| 2 | no | 241 |
49.8%
|
| 3 | (dk) | 28 |
5.8%
|
| 4 | (ref) | 1 |
0.2%
|
| Sysmiss | 516 |