| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 2150 |
60%
|
| 2 | Both | 147 |
4.1%
|
| 3 | Father only | 1221 |
34.1%
|
| 4 | Mother only | 31 |
0.9%
|
| 5 | I don't know | 34 |
0.9%
|
| Sysmiss | 21 |