| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 993 |
57%
|
| 2 | Both | 30 |
1.7%
|
| 3 | Father only | 697 |
40%
|
| 4 | Mother only | 6 |
0.3%
|
| 5 | I don't know | 16 |
0.9%
|
| Sysmiss | 9 |