| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1677 |
72.9%
|
| 2 | Both | 46 |
2%
|
| 3 | Father only | 478 |
20.8%
|
| 4 | Mother only | 16 |
0.7%
|
| 5 | I don't know | 82 |
3.6%
|
| Sysmiss | 24 |