| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1042 |
56.8%
|
| 2 | Both | 20 |
1.1%
|
| 3 | Father only | 713 |
38.9%
|
| 4 | Mother only | 11 |
0.6%
|
| 5 | I don't know | 48 |
2.6%
|
| Sysmiss | 11 |