| Value | Category | 
                                    
                    
                        | 1 | center of gravity of the cluster | 
                                    
                    
                        | 2 | In front of the household | 
                                    
                    
                        | 3 | Nearby location | 
                            
            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.