| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1439 |
82.7%
|
| 2 | Both | 13 |
0.7%
|
| 3 | Father only | 227 |
13%
|
| 4 | Mother only | 8 |
0.5%
|
| 5 | I don't know | 53 |
3%
|
| Sysmiss | 11 |