| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1709 |
85.5%
|
| 2 | Both | 18 |
0.9%
|
| 3 | Father only | 214 |
10.7%
|
| 4 | Mother only | 6 |
0.3%
|
| 5 | I don't know | 52 |
2.6%
|
| Sysmiss | 25 |