| Value | Category | 
                                    
                    
                        | 1 | Paved: asphalt/cemen | 
                                    
                    
                        | 2 | Paved: stone (good) | 
                                    
                    
                        | 3 | Paved: stone (bad) | 
                                    
                    
                        | 4 | Unpaved | 
                                    
                    
                        | 5 | No Road | 
                            
            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.