| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1276 |
53.9%
|
| 2 | Both | 177 |
7.5%
|
| 3 | Father only | 358 |
15.1%
|
| 4 | Mother only | 133 |
5.6%
|
| 5 | I don't know | 422 |
17.8%
|
| Sysmiss | 45 |