| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1591 |
67.3%
|
| 2 | Both | 74 |
3.1%
|
| 3 | Father only | 354 |
15%
|
| 4 | Mother only | 41 |
1.7%
|
| 5 | I don't know | 305 |
12.9%
|
| Sysmiss | 13 |