| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1711 |
50.1%
|
| 2 | Both | 560 |
16.4%
|
| 3 | Father only | 661 |
19.3%
|
| 4 | Mother only | 437 |
12.8%
|
| 5 | I don't know | 49 |
1.4%
|
| Sysmiss | 7 |