| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1381 |
64.3%
|
| 2 | Both | 60 |
2.8%
|
| 3 | Father only | 542 |
25.2%
|
| 4 | Mother only | 35 |
1.6%
|
| 5 | I don't know | 129 |
6%
|
| Sysmiss | 12 |