| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1950 |
60.2%
|
| 2 | Both | 72 |
2.2%
|
| 3 | Father only | 1139 |
35.2%
|
| 4 | Mother only | 25 |
0.8%
|
| 5 | I don't know | 54 |
1.7%
|
| Sysmiss | 11 |