| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1419 |
52.9%
|
| 2 | Both | 235 |
8.8%
|
| 3 | Father only | 825 |
30.8%
|
| 4 | Mother only | 74 |
2.8%
|
| 5 | I don't know | 129 |
4.8%
|
| Sysmiss | 85 |