| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 551 |
32.9%
|
| 2 | Both | 376 |
22.5%
|
| 3 | Father only | 627 |
37.5%
|
| 4 | Mother only | 105 |
6.3%
|
| 5 | I don't know | 15 |
0.9%
|
| Sysmiss | 11 |