| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1576 |
83.5%
|
| 2 | Both | 34 |
1.8%
|
| 3 | Father only | 225 |
11.9%
|
| 4 | Mother only | 6 |
0.3%
|
| 5 | Don't know | 47 |
2.5%
|
| Sysmiss | 7 |