| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1486 |
30.2%
|
| 2 | Both | 1397 |
28.3%
|
| 3 | Father only | 1426 |
28.9%
|
| 4 | Mother only | 596 |
12.1%
|
| 5 | I don't know | 23 |
0.5%
|
| Sysmiss | 23 |