| Value | Category | 
                                    
                    
                        | 1 | Wood | 
                                    
                    
                        | 2 | Cement/Tile | 
                                    
                    
                        | 3 | Concerete | 
                                    
                    
                        | 4 | Clay/Earthern floor | 
                                    
                    
                        | 5 | Plank/Shingles | 
                                    
                    
                        | 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.