| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1015 |
50.8%
|
| 2 | Both | 85 |
4.3%
|
| 3 | Father only | 870 |
43.5%
|
| 4 | Mother only | 14 |
0.7%
|
| 5 | I don't know | 16 |
0.8%
|
| Sysmiss | 11 |