| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 909 |
62.3%
|
| 2 | Both | 129 |
8.8%
|
| 3 | Father only | 271 |
18.6%
|
| 4 | Mother only | 101 |
6.9%
|
| 5 | I don't know | 50 |
3.4%
|
| Sysmiss | 9 |