| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1679 |
85.3%
|
| 2 | Both | 14 |
0.7%
|
| 3 | Father only | 189 |
9.6%
|
| 4 | Mother only | 3 |
0.2%
|
| 5 | I don't know | 84 |
4.3%
|
| Sysmiss | 5 |