| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 128 |
38.9%
|
| 2 | no | 194 |
59%
|
| 3 | (dk) | 5 |
1.5%
|
| 4 | (ref) | 2 |
0.6%
|
| Sysmiss | 671 |