| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1067 |
49.1%
|
| 2 | Both | 72 |
3.3%
|
| 3 | Father only | 962 |
44.3%
|
| 4 | Mother only | 28 |
1.3%
|
| 5 | I don't know | 45 |
2.1%
|
| Sysmiss | 21 |