| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1700 |
84.7%
|
| 2 | Both | 8 |
0.4%
|
| 3 | Father only | 275 |
13.7%
|
| 4 | Mother only | 1 |
0%
|
| 5 | I don't know | 22 |
1.1%
|
| Sysmiss | 8 |