| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 4620 |
40.4%
|
| 2 | Both | 871 |
7.6%
|
| 3 | Father only | 5188 |
45.3%
|
| 4 | Mother only | 452 |
4%
|
| 5 | I don't know | 309 |
2.7%
|
| Sysmiss | 190 |