| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 867 |
43.5%
|
| 2 | Both | 24 |
1.2%
|
| 3 | Father only | 1040 |
52.2%
|
| 4 | Mother only | 10 |
0.5%
|
| 5 | I don't know | 51 |
2.6%
|
| Sysmiss | 14 |