| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 319 |
50.1%
|
| 2 | Both | 28 |
4.4%
|
| 3 | Father only | 213 |
33.4%
|
| 4 | Mother only | 13 |
2%
|
| 5 | I don't know | 64 |
10%
|
| Sysmiss | 1 |