| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1723 |
41.5%
|
| 2 | Both | 288 |
6.9%
|
| 3 | Father only | 1965 |
47.3%
|
| 4 | Mother only | 136 |
3.3%
|
| 5 | I don't know | 41 |
1%
|
| Sysmiss | 30 |