| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 810 |
37%
|
| 2 | Both | 26 |
1.2%
|
| 3 | Father only | 1294 |
59%
|
| 4 | Mother only | 12 |
0.5%
|
| 5 | I don't know | 50 |
2.3%
|
| Sysmiss | 2 |