| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 739 |
44.9%
|
| 2 | Both | 79 |
4.8%
|
| 3 | Father only | 781 |
47.5%
|
| 4 | Mother only | 23 |
1.4%
|
| 5 | I don't know | 23 |
1.4%
|
| Sysmiss | 23 |