| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1117 |
54.7%
|
| 2 | Both | 208 |
10.2%
|
| 3 | Father only | 461 |
22.6%
|
| 4 | Mother only | 177 |
8.7%
|
| 5 | I don't know | 79 |
3.9%
|
| Sysmiss | 33 |