| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1381 |
70%
|
| 2 | Both | 34 |
1.7%
|
| 3 | Father only | 488 |
24.7%
|
| 4 | Mother only | 15 |
0.8%
|
| 5 | I don't know | 56 |
2.8%
|
| Sysmiss | 5 |