| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1795 |
65.8%
|
| 2 | Both | 129 |
4.7%
|
| 3 | Father only | 623 |
22.8%
|
| 4 | Mother only | 71 |
2.6%
|
| 5 | I don't know | 110 |
4%
|
| Sysmiss | 11 |