| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 1 | Earth | 936 | 
                                                                 
                                    
                                    39%
                                 
                                                             | 
                                                        
                    
| 2 | Gravel | 272 | 
                                                                 
                                    
                                    11.3%
                                 
                                                             | 
                                                        
                    
| 3 | Stone | 16 | 
                                                                 
                                    
                                    0.7%
                                 
                                                             | 
                                                        
                    
| 4 | Muram | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 5 | Paved/ Tarred | 1168 | 
                                                                 
                                    
                                    48.7%
                                 
                                                             | 
                                                        
                    
| 6 | Concrete | 8 | 
                                                                 
                                    
                                    0.3%
                                 
                                                             |