| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 685 |
31.9%
|
| 2 | Both | 92 |
4.3%
|
| 3 | Father only | 1306 |
60.9%
|
| 4 | Mother only | 33 |
1.5%
|
| 5 | I don't know | 30 |
1.4%
|
| Sysmiss | 17 |