| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1356 |
64.1%
|
| 2 | Both | 30 |
1.4%
|
| 3 | Father only | 676 |
31.9%
|
| 4 | Mother only | 6 |
0.3%
|
| 5 | I don't know | 48 |
2.3%
|
| Sysmiss | 16 |