| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 6784 |
59.5%
|
| 2 | Both | 714 |
6.3%
|
| 3 | Father only | 2709 |
23.7%
|
| 4 | Mother only | 354 |
3.1%
|
| 5 | I don't know | 847 |
7.4%
|
| Sysmiss | 177 |