| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1163 |
55.8%
|
| 2 | Both | 37 |
1.8%
|
| 3 | Father only | 862 |
41.3%
|
| 4 | Mother only | 6 |
0.3%
|
| 5 | I don't know | 17 |
0.8%
|
| Sysmiss | 14 |