| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 2502 |
80%
|
| 2 | Both | 128 |
4.1%
|
| 3 | Father only | 319 |
10.2%
|
| 4 | Mother only | 96 |
3.1%
|
| 5 | I don't know | 84 |
2.7%
|
| Sysmiss | 23 |