| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1737 |
66.4%
|
| 2 | Both | 51 |
2%
|
| 3 | Father only | 783 |
30%
|
| 4 | Mother only | 11 |
0.4%
|
| 5 | I don't know | 32 |
1.2%
|
| Sysmiss | 12 |