| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1134 |
65.3%
|
| 2 | Both | 29 |
1.7%
|
| 3 | Father only | 499 |
28.7%
|
| 4 | Mother only | 9 |
0.5%
|
| 5 | I don't know | 66 |
3.8%
|
| Sysmiss | 27 |