| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1215 |
59.4%
|
| 2 | Both | 38 |
1.9%
|
| 3 | Father only | 764 |
37.3%
|
| 4 | Mother only | 16 |
0.8%
|
| 5 | I don't know | 14 |
0.7%
|
| Sysmiss | 62 |