| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1128 |
52.6%
|
| 2 | Both | 25 |
1.2%
|
| 3 | Father only | 952 |
44.4%
|
| 4 | Mother only | 19 |
0.9%
|
| 5 | I don't know | 20 |
0.9%
|
| Sysmiss | 11 |