| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 906 |
43.8%
|
| 2 | Both | 317 |
15.3%
|
| 3 | Father only | 508 |
24.6%
|
| 4 | Mother only | 246 |
11.9%
|
| 5 | I don't know | 92 |
4.4%
|
| Sysmiss | 30 |