| Value | Category | Cases | |
|---|---|---|---|
| 1 | SAND | 80 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    
| 2 | SMOOTHED MUD | 1518 | 
                                                                 
                                    
                                    60.5%
                                 
                                                             | 
                                                        
                    
| 3 | SMOOTH CEMENT | 891 | 
                                                                 
                                    
                                    35.5%
                                 
                                                             | 
                                                        
                    
| 4 | WOOD | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 5 | TILE | 18 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    
| 6 | OTHER(SPECIFY) | 1 | 
                                                                 
                                    
                                    0%
                                 
                                                             |