| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 993 |
52.6%
|
| 2 | Both | 61 |
3.2%
|
| 3 | Father only | 656 |
34.8%
|
| 4 | Mother only | 20 |
1.1%
|
| 5 | I don't know | 157 |
8.3%
|
| Sysmiss | 13 |