| Value | Category | 
                                    
                    
                        | -999999999 | missing | 
                                    
                    
                        | 1 | Yes-uses this facility | 
                                    
                    
                        | 2 | No-uses a different facility | 
                                    
                    
                        | 3 | No-uses no facility | 
                            
            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.