| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1732 |
76.5%
|
| 2 | Both | 37 |
1.6%
|
| 3 | Father only | 379 |
16.7%
|
| 4 | Mother only | 41 |
1.8%
|
| 5 | I don't know | 76 |
3.4%
|
| Sysmiss | 18 |