| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 712 |
34.7%
|
| 2 | Both | 86 |
4.2%
|
| 3 | Father only | 1188 |
57.8%
|
| 4 | Mother only | 31 |
1.5%
|
| 5 | I don't know | 37 |
1.8%
|
| Sysmiss | 20 |