| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 2001 |
53.8%
|
| 2 | Both | 449 |
12.1%
|
| 3 | Father only | 711 |
19.1%
|
| 4 | Mother only | 497 |
13.4%
|
| 5 | I don't know | 59 |
1.6%
|
| Sysmiss | 50 |