| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 418 |
25.6%
|
| 2 | Both | 204 |
12.5%
|
| 3 | Father only | 822 |
50.3%
|
| 4 | Mother only | 52 |
3.2%
|
| 5 | I don't know | 137 |
8.4%
|
| Sysmiss | 24 |