| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 2839 |
62.4%
|
| 2 | Both | 89 |
2%
|
| 3 | Father only | 1550 |
34.1%
|
| 4 | Mother only | 25 |
0.5%
|
| 5 | I don't know | 45 |
1%
|
| Sysmiss | 8 |