| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1688 |
90.2%
|
| 2 | Both | 58 |
3.1%
|
| 3 | Father only | 68 |
3.6%
|
| 4 | Mother only | 19 |
1%
|
| 5 | I don't know | 39 |
2.1%
|
| Sysmiss | 51 |