| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 1 | Unpaved roads | 11 | 10 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 2 | Queries and stone cutting | 7 | 8 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 3 | Construction | 15 | 17 | 
                                                                 
                                    
                                    0.6%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 4 | Industrial activities | 18 | 14 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                            
                        
                        
                            
                    
| 5 | Other | 50 | 58 | 
                                                                 
                                    
                                    2.1%
                                 
                                                             | 
                            
                        
                        
                            
                    
| Sysmiss | 2613 | 2607 |