| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1620 |
61.7%
|
| 2 | Both | 133 |
5.1%
|
| 3 | Father only | 750 |
28.5%
|
| 4 | Mother only | 62 |
2.4%
|
| 5 | I don't know | 62 |
2.4%
|
| Sysmiss | 14 |