| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1498 |
78.5%
|
| 2 | Both | 98 |
5.1%
|
| 3 | Father only | 158 |
8.3%
|
| 4 | Mother only | 104 |
5.4%
|
| 5 | I don't know | 51 |
2.7%
|
| Sysmiss | 7 |