| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 982 |
51.6%
|
| 2 | Both | 160 |
8.4%
|
| 3 | Father only | 665 |
34.9%
|
| 4 | Mother only | 45 |
2.4%
|
| 5 | Don't know | 52 |
2.7%
|
| Sysmiss | 3 |