| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1422 |
79.9%
|
| 2 | Both | 61 |
3.4%
|
| 3 | Father only | 163 |
9.2%
|
| 4 | Mother only | 84 |
4.7%
|
| 5 | I don't know | 49 |
2.8%
|
| Sysmiss | 6 |