| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 703 |
51.5%
|
| 2 | Both | 27 |
2%
|
| 3 | Father only | 593 |
43.5%
|
| 4 | Mother only | 5 |
0.4%
|
| 5 | I don't know | 36 |
2.6%
|
| Sysmiss | 71 |