| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1605 |
48.8%
|
| 2 | Both | 253 |
7.7%
|
| 3 | Father only | 1200 |
36.5%
|
| 4 | Mother only | 122 |
3.7%
|
| 5 | I don't know | 108 |
3.3%
|
| Sysmiss | 18 |