| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1-10 km | 6768 | 
                                                                 
                                    
                                    37.6%
                                 
                                                             | 
                                                        
                    
| 2 | 11-20 km | 3281 | 
                                                                 
                                    
                                    18.3%
                                 
                                                             | 
                                                        
                    
| 3 | 21-30 km | 2052 | 
                                                                 
                                    
                                    11.4%
                                 
                                                             | 
                                                        
                    
| 4 | 31-40 km | 1482 | 
                                                                 
                                    
                                    8.2%
                                 
                                                             | 
                                                        
                    
| 5 | More than 40 km | 4394 | 
                                                                 
                                    
                                    24.4%
                                 
                                                             |