| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1623 |
48.3%
|
| 2 | Both | 315 |
9.4%
|
| 3 | Father only | 961 |
28.6%
|
| 4 | Mother only | 112 |
3.3%
|
| 5 | I don't know | 346 |
10.3%
|
| Sysmiss | 16 |