| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 781 |
42.7%
|
| 2 | Both | 393 |
21.5%
|
| 3 | Father only | 373 |
20.4%
|
| 4 | Mother only | 271 |
14.8%
|
| 5 | I don't know | 10 |
0.5%
|
| Sysmiss | 21 |