| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 965 |
58%
|
| 2 | Both | 38 |
2.3%
|
| 3 | Father only | 629 |
37.8%
|
| 4 | Mother only | 11 |
0.7%
|
| 5 | I don't know | 20 |
1.2%
|
| Sysmiss | 16 |