| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 662 |
32.1%
|
| 2 | Both | 98 |
4.8%
|
| 3 | Father only | 1240 |
60.1%
|
| 4 | Mother only | 19 |
0.9%
|
| 5 | I don't know | 44 |
2.1%
|
| Sysmiss | 12 |