| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 453 |
43%
|
| 2 | Both | 217 |
20.6%
|
| 3 | Father only | 244 |
23.2%
|
| 4 | Mother only | 108 |
10.3%
|
| 5 | I don't know | 31 |
2.9%
|
| Sysmiss | 4 |