| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1380 |
47.6%
|
| 2 | Both | 510 |
17.6%
|
| 3 | Father only | 122 |
4.2%
|
| 4 | Mother only | 737 |
25.4%
|
| 5 | I don't know | 152 |
5.2%
|
| Sysmiss | 12 |