| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1662 |
77.9%
|
| 2 | Both | 17 |
0.8%
|
| 3 | Father only | 384 |
18%
|
| 4 | Mother only | 7 |
0.3%
|
| 5 | I don't know | 64 |
3%
|
| Sysmiss | 25 |