| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1747 |
46.9%
|
| 2 | Both | 511 |
13.7%
|
| 3 | Father only | 1028 |
27.6%
|
| 4 | Mother only | 213 |
5.7%
|
| 5 | I don't know | 227 |
6.1%
|
| Sysmiss | 39 |