| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 789 |
79.1%
|
| 2 | Both | 14 |
1.4%
|
| 3 | Father only | 173 |
17.4%
|
| 4 | Mother only | 9 |
0.9%
|
| 5 | I don't know | 12 |
1.2%
|
| Sysmiss | 14 |