| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 7113 |
59.1%
|
| 2 | Both | 913 |
7.6%
|
| 3 | Father only | 3407 |
28.3%
|
| 4 | Mother only | 210 |
1.7%
|
| 5 | I don't know | 393 |
3.3%
|
| Sysmiss | 50 |