| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1027 |
31.3%
|
| 2 | Both | 946 |
28.9%
|
| 3 | Father only | 901 |
27.5%
|
| 4 | Mother only | 379 |
11.6%
|
| 5 | I don't know | 25 |
0.8%
|
| Sysmiss | 36 |