| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1446 |
90.7%
|
| 2 | Both | 28 |
1.8%
|
| 3 | Father only | 102 |
6.4%
|
| 4 | Mother only | 10 |
0.6%
|
| 5 | I don't know | 9 |
0.6%
|
| Sysmiss | 24 |