| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1461 |
38.5%
|
| 2 | Both | 43 |
1.1%
|
| 3 | Father only | 2255 |
59.5%
|
| 4 | Mother only | 13 |
0.3%
|
| 5 | I don't know | 19 |
0.5%
|
| Sysmiss | 3 |