| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 678 |
41.1%
|
| 2 | Both | 78 |
4.7%
|
| 3 | Father only | 838 |
50.8%
|
| 4 | Mother only | 28 |
1.7%
|
| 5 | I don't know | 29 |
1.8%
|
| Sysmiss | 49 |