| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 482 |
33.4%
|
| 2 | Both | 408 |
28.3%
|
| 3 | Father only | 272 |
18.9%
|
| 4 | Mother only | 258 |
17.9%
|
| 5 | I don't know | 22 |
1.5%
|
| Sysmiss | 10 |