| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 2264 |
74.1%
|
| 2 | Both | 108 |
3.5%
|
| 3 | Father only | 461 |
15.1%
|
| 4 | Mother only | 97 |
3.2%
|
| 5 | I don't know | 125 |
4.1%
|
| Sysmiss | 28 |