| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1165 |
52.2%
|
| 2 | Both | 96 |
4.3%
|
| 3 | Father only | 936 |
41.9%
|
| 4 | Mother only | 20 |
0.9%
|
| 5 | I don't know | 16 |
0.7%
|
| Sysmiss | 8 |