| Value | Category | Cases | |
|---|---|---|---|
| 1 | Public Network | 200 | 
                                                                 
                                    
                                    75.5%
                                 
                                                             | 
                                                        
                    
| 2 | Wells | 25 | 
                                                                 
                                    
                                    9.4%
                                 
                                                             | 
                                                        
                    
| 3 | Transport in Tanks | 33 | 
                                                                 
                                    
                                    12.5%
                                 
                                                             | 
                                                        
                    
| 4 | Other | 7 | 
                                                                 
                                    
                                    2.6%
                                 
                                                             |