| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1516 |
77.6%
|
| 2 | Both | 66 |
3.4%
|
| 3 | Father only | 326 |
16.7%
|
| 4 | Mother only | 12 |
0.6%
|
| 5 | I don't know | 33 |
1.7%
|
| Sysmiss | 9 |