| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 617 |
41.4%
|
| 2 | Both | 171 |
11.5%
|
| 3 | Father only | 612 |
41%
|
| 4 | Mother only | 64 |
4.3%
|
| 5 | I don't know | 28 |
1.9%
|
| Sysmiss | 3 |