| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 978 |
51.8%
|
| 2 | Both | 121 |
6.4%
|
| 3 | Father only | 645 |
34.2%
|
| 4 | Mother only | 98 |
5.2%
|
| 5 | I don't know | 45 |
2.4%
|
| Sysmiss | 59 |