| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1165 |
66.8%
|
| 2 | Both | 67 |
3.8%
|
| 3 | Father only | 395 |
22.6%
|
| 4 | Mother only | 55 |
3.2%
|
| 5 | I don't know | 62 |
3.6%
|
| Sysmiss | 20 |