| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 821 |
67.2%
|
| 2 | Both | 38 |
3.1%
|
| 3 | Father only | 282 |
23.1%
|
| 4 | Mother only | 16 |
1.3%
|
| 5 | I don't know | 65 |
5.3%
|
| Sysmiss | 6 |