| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 720 |
55.2%
|
| 2 | Both | 103 |
7.9%
|
| 3 | Father only | 308 |
23.6%
|
| 4 | Mother only | 33 |
2.5%
|
| 5 | I don't know | 140 |
10.7%
|
| Sysmiss | 28 |