| Value | Category | 
                                    
                    
                        | -5 | other | 
                                    
                    
                        | -4 | missing data | 
                                    
                    
                        | -3 | refused to answer | 
                                    
                    
                        | -2 | not applicable | 
                                    
                    
                        | -1 | do not know | 
                                    
                    
                        | 1 | piped - internal | 
                                    
                    
                        | 2 | piped - yard tap | 
                                    
                    
                        | 3 | water carrier / tanker | 
                                    
                    
                        | 4 | piped - public tap / kiosk (free) | 
                                    
                    
                        | 5 | piped - public tap / kiosk (paid for) | 
                                    
                    
                        | 6 | borehole | 
                                    
                    
                        | 7 | rainwater tank | 
                                    
                    
                        | 8 | flowing river / stream | 
                                    
                    
                        | 9 | dam / stagnant water | 
                                    
                    
                        | 10 | welll (non-borehole) | 
                                    
                    
                        | 11 | protected spring | 
                                    
                    
                        | 12 | 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.