| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1247 |
50.8%
|
| 2 | Both | 139 |
5.7%
|
| 3 | Father only | 908 |
37%
|
| 4 | Mother only | 42 |
1.7%
|
| 5 | I don't know | 120 |
4.9%
|
| Sysmiss | 6 |