| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 3377 |
79.9%
|
| 2 | Both | 71 |
1.7%
|
| 3 | Father only | 492 |
11.6%
|
| 4 | Mother only | 35 |
0.8%
|
| 5 | I don't know | 250 |
5.9%
|
| Sysmiss | 58 |