| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 2662 |
69.7%
|
| 2 | Both | 386 |
10.1%
|
| 3 | Father only | 587 |
15.4%
|
| 4 | Mother only | 85 |
2.2%
|
| 5 | I don't know | 97 |
2.5%
|
| Sysmiss | 268 |