| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 592 |
45.9%
|
| 2 | Both | 61 |
4.7%
|
| 3 | Father only | 486 |
37.6%
|
| 4 | Mother only | 29 |
2.2%
|
| 5 | I don't know | 123 |
9.5%
|
| Sysmiss | 23 |