| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 972 |
45.4%
|
| 2 | Both | 388 |
18.1%
|
| 3 | Father only | 483 |
22.5%
|
| 4 | Mother only | 281 |
13.1%
|
| 5 | I don't know | 19 |
0.9%
|
| Sysmiss | 32 |