| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1201 |
45.5%
|
| 2 | Both | 255 |
9.7%
|
| 3 | Father only | 835 |
31.6%
|
| 4 | Mother only | 163 |
6.2%
|
| 5 | I don't know | 187 |
7.1%
|
| Sysmiss | 29 |