| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1856 |
55.9%
|
| 2 | Both | 423 |
12.7%
|
| 3 | Father only | 704 |
21.2%
|
| 4 | Mother only | 319 |
9.6%
|
| 5 | I don't know | 21 |
0.6%
|
| Sysmiss | 19 |