| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1440 |
78.8%
|
| 2 | Both | 65 |
3.6%
|
| 3 | Father only | 169 |
9.2%
|
| 4 | Mother only | 68 |
3.7%
|
| 5 | I don't know | 86 |
4.7%
|
| Sysmiss | 7 |