| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 2054 |
46.5%
|
| 2 | Both | 485 |
11%
|
| 3 | Father only | 1665 |
37.7%
|
| 4 | Mother only | 147 |
3.3%
|
| 5 | I don't know | 68 |
1.5%
|
| Sysmiss | 112 |