| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1247 |
55.2%
|
| 2 | Both | 111 |
4.9%
|
| 3 | Father only | 696 |
30.8%
|
| 4 | Mother only | 65 |
2.9%
|
| 5 | I don't know | 142 |
6.3%
|
| Sysmiss | 19 |