| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1893 |
83.8%
|
| 2 | Both | 39 |
1.7%
|
| 3 | Father only | 164 |
7.3%
|
| 4 | Mother only | 33 |
1.5%
|
| 5 | Don't know | 129 |
5.7%
|
| Sysmiss | 10 |