| Value | Category | 
                                    
                    
                        | 1 | Tap | 
                                    
                    
                        | 2 | Well with pump | 
                                    
                    
                        | 3 | Well without pump | 
                                    
                    
                        | 4 | Tanker truck/vender | 
                                    
                    
                        | 5 | Nile/Canals | 
                                    
                    
                        | 6 | Other | 
                            
            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.