| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 2535 |
73.7%
|
| 2 | Both | 246 |
7.2%
|
| 3 | Father only | 490 |
14.2%
|
| 4 | Mother only | 63 |
1.8%
|
| 5 | I don't know | 105 |
3.1%
|
| Sysmiss | 202 |