| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1507 |
85%
|
| 2 | Both | 51 |
2.9%
|
| 3 | Father only | 90 |
5.1%
|
| 4 | Mother only | 84 |
4.7%
|
| 5 | I don't know | 40 |
2.3%
|
| Sysmiss | 58 |