| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1513 |
79.3%
|
| 2 | Both | 29 |
1.5%
|
| 3 | Father only | 312 |
16.4%
|
| 4 | Mother only | 15 |
0.8%
|
| 5 | I don't know | 38 |
2%
|
| Sysmiss | 9 |