| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1518 |
55.6%
|
| 2 | Both | 166 |
6.1%
|
| 3 | Father only | 717 |
26.3%
|
| 4 | Mother only | 153 |
5.6%
|
| 5 | I don't know | 174 |
6.4%
|
| Sysmiss | 74 |