| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1229 |
62.8%
|
| 2 | Both | 93 |
4.7%
|
| 3 | Father only | 579 |
29.6%
|
| 4 | Mother only | 25 |
1.3%
|
| 5 | I don't know | 32 |
1.6%
|
| Sysmiss | 38 |