| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 318 |
52.1%
|
| 2 | Both | 96 |
15.7%
|
| 3 | Father only | 93 |
15.2%
|
| 4 | Mother only | 62 |
10.2%
|
| 5 | Don't know | 41 |
6.7%
|
| Sysmiss | 4 |