| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 625 |
44.1%
|
| 2 | Both | 247 |
17.4%
|
| 3 | Father only | 423 |
29.8%
|
| 4 | Mother only | 87 |
6.1%
|
| 5 | I don't know | 36 |
2.5%
|
| Sysmiss | 24 |