| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 845 |
58.5%
|
| 2 | Both | 27 |
1.9%
|
| 3 | Father only | 557 |
38.6%
|
| 4 | Mother only | 6 |
0.4%
|
| 5 | I don't know | 9 |
0.6%
|
| Sysmiss | 10 |