| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 930 |
42.5%
|
| 2 | Both | 452 |
20.7%
|
| 3 | Father only | 439 |
20.1%
|
| 4 | Mother only | 315 |
14.4%
|
| 5 | I don't know | 52 |
2.4%
|
| Sysmiss | 13 |