| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1511 |
50.6%
|
| 2 | Both | 545 |
18.3%
|
| 3 | Father only | 370 |
12.4%
|
| 4 | Mother only | 396 |
13.3%
|
| 5 | I don't know | 162 |
5.4%
|
| Sysmiss | 77 |