| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1298 |
49.2%
|
| 2 | Both | 530 |
20.1%
|
| 3 | Father only | 339 |
12.8%
|
| 4 | Mother only | 321 |
12.2%
|
| 5 | I don't know | 152 |
5.8%
|
| Sysmiss | 32 |