| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1330 |
74.6%
|
| 2 | Both | 59 |
3.3%
|
| 3 | Father only | 251 |
14.1%
|
| 4 | Mother only | 39 |
2.2%
|
| 5 | I don't know | 103 |
5.8%
|
| Sysmiss | 13 |