| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 599 |
44.7%
|
| 2 | Both | 96 |
7.2%
|
| 3 | Father only | 574 |
42.8%
|
| 4 | Mother only | 30 |
2.2%
|
| 5 | I don't know | 41 |
3.1%
|
| Sysmiss | 27 |