| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 973 |
57.2%
|
| 2 | Both | 86 |
5.1%
|
| 3 | Father only | 556 |
32.7%
|
| 4 | Mother only | 27 |
1.6%
|
| 5 | I don't know | 60 |
3.5%
|
| Sysmiss | 12 |