| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 979 |
65.5%
|
| 2 | Both | 67 |
4.5%
|
| 3 | Father only | 277 |
18.5%
|
| 4 | Mother only | 35 |
2.3%
|
| 5 | I don't know | 137 |
9.2%
|
| Sysmiss | 4 |