| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 454 |
25.6%
|
| 2 | Both | 253 |
14.3%
|
| 3 | Father only | 867 |
48.9%
|
| 4 | Mother only | 74 |
4.2%
|
| 5 | I don't know | 126 |
7.1%
|
| Sysmiss | 16 |