| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1111 |
89.1%
|
| 2 | Both | 48 |
3.8%
|
| 3 | Father only | 62 |
5%
|
| 4 | Mother only | 10 |
0.8%
|
| 5 | I don't know | 16 |
1.3%
|
| Sysmiss | 37 |