| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 2142 |
84.1%
|
| 2 | Both | 101 |
4%
|
| 3 | Father only | 212 |
8.3%
|
| 4 | Mother only | 27 |
1.1%
|
| 5 | I don't know | 66 |
2.6%
|
| Sysmiss | 16 |