| Value | Category | Cases | |
|---|---|---|---|
| 1 | cement | 5160 | 
                                                                 
                                    
                                    39.7%
                                 
                                                             | 
                                                        
                    
| 2 | tiles | 158 | 
                                                                 
                                    
                                    1.2%
                                 
                                                             | 
                                                        
                    
| 3 | wood | 209 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    
| 4 | earth | 7425 | 
                                                                 
                                    
                                    57.2%
                                 
                                                             | 
                                                        
                    
| 5 | other | 37 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 88 |