| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 570 |
44.6%
|
| 2 | Both | 146 |
11.4%
|
| 3 | Father only | 385 |
30.1%
|
| 4 | Mother only | 95 |
7.4%
|
| 5 | I don't know | 83 |
6.5%
|
| Sysmiss | 18 |