| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1679 |
88.3%
|
| 2 | Both | 27 |
1.4%
|
| 3 | Father only | 99 |
5.2%
|
| 4 | Mother only | 9 |
0.5%
|
| 5 | I don't know | 88 |
4.6%
|
| Sysmiss | 9 |