| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 82 |
26%
|
| 2 | no | 222 |
70.5%
|
| 3 | (dk) | 9 |
2.9%
|
| 4 | (ref) | 2 |
0.6%
|
| Sysmiss | 685 |