| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1650 |
73.9%
|
| 2 | Both | 71 |
3.2%
|
| 3 | Father only | 397 |
17.8%
|
| 4 | Mother only | 55 |
2.5%
|
| 5 | I don't know | 60 |
2.7%
|
| Sysmiss | 23 |