| Value | Category | Cases | |
|---|---|---|---|
| 1 | only father | 1867 |
33.3%
|
| 2 | only mother | 553 |
9.9%
|
| 3 | both of them | 827 |
14.7%
|
| 4 | none of them | 1460 |
26%
|
| 5 | don't know | 906 |
16.1%
|
| Sysmiss | 607 |