| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 516 |
50.4%
|
| 2 | Both | 57 |
5.6%
|
| 3 | Father only | 375 |
36.6%
|
| 4 | Mother only | 36 |
3.5%
|
| 5 | I don't know | 40 |
3.9%
|
| Sysmiss | 24 |