| Educational level of the father | SIES | SEU |
| N/A | 22.6 | 21.1 |
| Elementary school (complete) | 0.2 | 0.4 |
| Elementary school (complete) and High School (incomplete) | 33.3 | 19.3 |
| High School (complete) | 32.7 | 30.8 |
| SIES | 2.5 | 2.6 |
| SEU | 8.6 | 25.8 |
| Total | 100.0 | 100.0 |