| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 3114 |
42.3%
|
| 2 | Both | 490 |
6.7%
|
| 3 | Father only | 3395 |
46.1%
|
| 4 | Mother only | 221 |
3%
|
| 5 | I don't know | 140 |
1.9%
|
| Sysmiss | 118 |