| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1027 |
46.9%
|
| 2 | Both | 141 |
6.4%
|
| 3 | Father only | 884 |
40.4%
|
| 4 | Mother only | 69 |
3.2%
|
| 5 | I don't know | 69 |
3.2%
|
| Sysmiss | 15 |