| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1027 |
39.9%
|
| 2 | Both | 535 |
20.8%
|
| 3 | Father only | 740 |
28.7%
|
| 4 | Mother only | 226 |
8.8%
|
| 5 | Don't know | 46 |
1.8%
|
| Sysmiss | 48 |