| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1577 |
78.7%
|
| 2 | Both | 70 |
3.5%
|
| 3 | Father only | 240 |
12%
|
| 4 | Mother only | 25 |
1.2%
|
| 5 | I don't know | 92 |
4.6%
|
| Sysmiss | 41 |