| Value | Category | Cases | |
|---|---|---|---|
| 1 | Public network/Solar energy | 17899 | 
                                                                 
                                    
                                    99.9%
                                 
                                                             | 
                                                        
                    
| 2 | Gasoline/Gas bulb | 10 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| 3 | Generator | 2 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 96 | Other | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 2089 |