| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1148 |
34.9%
|
| 2 | Both | 101 |
3.1%
|
| 3 | Father only | 1990 |
60.4%
|
| 4 | Mother only | 23 |
0.7%
|
| 5 | I don't know | 30 |
0.9%
|
| Sysmiss | 10 |