| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1521 |
73.5%
|
| 2 | Both | 83 |
4%
|
| 3 | Father only | 330 |
15.9%
|
| 4 | Mother only | 53 |
2.6%
|
| 5 | I don't know | 82 |
4%
|
| Sysmiss | 23 |