| Value | Category | Cases | |
|---|---|---|---|
| 11 | earth/sand | 1831 | 
                                                                 
                                    
                                    40.7%
                                 
                                                             | 
                                                        
                    
| 12 | dung | 425 | 
                                                                 
                                    
                                    9.4%
                                 
                                                             | 
                                                        
                    
| 21 | wood planks | 8 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             | 
                                                        
                    
| 22 | palm/bamboo | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 31 | parquet or polished wood | 1 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 32 | vinyl or asphalt strips | 19 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    
| 33 | ceramic tiles | 111 | 
                                                                 
                                    
                                    2.5%
                                 
                                                             | 
                                                        
                    
| 34 | cement | 2028 | 
                                                                 
                                    
                                    45.1%
                                 
                                                             | 
                                                        
                    
| 35 | carpet | 62 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    
| 77 | 4 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    |
| 96 | other | 11 | 
                                                                 
                                    
                                    0.2%
                                 
                                                             |