| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1883 |
66.8%
|
| 2 | Both | 128 |
4.5%
|
| 3 | Father only | 608 |
21.6%
|
| 4 | Mother only | 83 |
2.9%
|
| 5 | I don't know | 118 |
4.2%
|
| Sysmiss | 21 |