| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 421 |
55.2%
|
| 2 | Both | 23 |
3%
|
| 3 | Father only | 293 |
38.5%
|
| 4 | Mother only | 14 |
1.8%
|
| 5 | I don't know | 11 |
1.4%
|
| Sysmiss | 7 |