| Value | Category | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 1 | Primaria incompleta | 
                                    
                    
                        | 2 | Primaria completa | 
                                    
                    
                        | 3 | Secundaria completa | 
                                    
                    
                        | 4 | Medio superior y superior | 
                                    
                    
                        | 5 | No especificado | 
                            
            Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.