| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 2933 |
72.5%
|
| 2 | Both | 322 |
8%
|
| 3 | Father only | 599 |
14.8%
|
| 4 | Mother only | 61 |
1.5%
|
| 5 | I don't know | 131 |
3.2%
|
| Sysmiss | 98 |