| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 963 |
58.6%
|
| 2 | Both | 39 |
2.4%
|
| 3 | Father only | 594 |
36.2%
|
| 4 | Mother only | 19 |
1.2%
|
| 5 | I don't know | 27 |
1.6%
|
| Sysmiss | 3 |