| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1262 |
62.5%
|
| 2 | Both | 122 |
6%
|
| 3 | Father only | 404 |
20%
|
| 4 | Mother only | 35 |
1.7%
|
| 5 | I don't know | 197 |
9.8%
|
| Sysmiss | 31 |