| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1126 |
68.7%
|
| 2 | Both | 102 |
6.2%
|
| 3 | Father only | 293 |
17.9%
|
| 4 | Mother only | 31 |
1.9%
|
| 5 | I don't know | 86 |
5.3%
|
| Sysmiss | 30 |