| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 678 |
31.4%
|
| 2 | Both | 653 |
30.2%
|
| 3 | Father only | 418 |
19.3%
|
| 4 | Mother only | 379 |
17.5%
|
| 5 | I don't know | 34 |
1.6%
|
| Sysmiss | 3 |