| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 667 |
49.9%
|
| 2 | Both | 99 |
7.4%
|
| 3 | Father only | 515 |
38.5%
|
| 4 | Mother only | 19 |
1.4%
|
| 5 | I don't know | 38 |
2.8%
|
| Sysmiss | 35 |