| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| -9 | 5 | 8844 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                            
                        
                        
                            
                    |
| 1 | mud | 6101 | 12760767 | 
                                                                 
                                    
                                    18.1%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 2 | parquet/ wooden | 89 | 153261 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 3 | brick or stone | 580 | 1101359 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 4 | tiles or cement | 29840 | 55481590 | 
                                                                 
                                    
                                    78.9%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 5 | other | 525 | 817018 | 
                                                                 
                                    
                                    1.2%
                                 
                                                             |