| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1174 |
56.2%
|
| 2 | Both | 228 |
10.9%
|
| 3 | Father only | 440 |
21.1%
|
| 4 | Mother only | 203 |
9.7%
|
| 5 | I don't know | 44 |
2.1%
|
| Sysmiss | 4 |