| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 2683 |
44.4%
|
| 2 | Both | 181 |
3%
|
| 3 | Father only | 3028 |
50.1%
|
| 4 | Mother only | 52 |
0.9%
|
| 5 | I don't know | 94 |
1.6%
|
| Sysmiss | 8 |