| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 317 |
43.3%
|
| 2 | Both | 140 |
19.1%
|
| 3 | Father only | 157 |
21.4%
|
| 4 | Mother only | 85 |
11.6%
|
| 5 | I don't know | 33 |
4.5%
|
| Sysmiss | 4 |