| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 200 metres | 2631 | 
                                                                 
                                    
                                    13.4%
                                 
                                                             | 
                                                        
                    
| 2 | 201 - 500 metres | 1435 | 
                                                                 
                                    
                                    7.3%
                                 
                                                             | 
                                                        
                    
| 3 | 501 metres - one kilometre | 547 | 
                                                                 
                                    
                                    2.8%
                                 
                                                             | 
                                                        
                    
| 4 | More than one kilometre | 212 | 
                                                                 
                                    
                                    1.1%
                                 
                                                             | 
                                                        
                    
| 5 | Do not know | 22 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| 8 | Not applicable | 14798 | 
                                                                 
                                    
                                    75.3%
                                 
                                                             | 
                                                        
                    
| 9 | Unspecified | 4 | 
                                                                 
                                    
                                    0%
                                 
                                                             |