| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 2674 |
71.2%
|
| 2 | Both | 54 |
1.4%
|
| 3 | Father only | 892 |
23.8%
|
| 4 | Mother only | 16 |
0.4%
|
| 5 | I don't know | 117 |
3.1%
|
| Sysmiss | 31 |