| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 3130 |
59.1%
|
| 2 | Both | 326 |
6.2%
|
| 3 | Father only | 1662 |
31.4%
|
| 4 | Mother only | 104 |
2%
|
| 5 | Don't know | 74 |
1.4%
|
| Sysmiss | 92 |