| Value | Category | Cases | |
|---|---|---|---|
| 1 | None of them | 1975 |
40.2%
|
| 2 | Both of them | 1055 |
21.4%
|
| 3 | Father (or male guardian) | 1056 |
21.5%
|
| 4 | Mother (or female guardian) | 833 |
16.9%
|
| Sysmiss | 111 |