| Value | Category | Cases | |
|---|---|---|---|
| 1 | Animal dung | 153 | 
                                                                 
                                    
                                    0.1%
                                 
                                                             | 
                                                        
                    
| 2 | Coal | 1556 | 
                                                                 
                                    
                                    1.3%
                                 
                                                             | 
                                                        
                    
| 3 | Electricity | 91087 | 
                                                                 
                                    
                                    73.7%
                                 
                                                             | 
                                                        
                    
| 4 | Gas | 3384 | 
                                                                 
                                    
                                    2.7%
                                 
                                                             | 
                                                        
                    
| 5 | Other | 497 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    
| 6 | Paraffin | 7358 | 
                                                                 
                                    
                                    6%
                                 
                                                             | 
                                                        
                    
| 7 | Wood/straw | 19627 | 
                                                                 
                                    
                                    15.9%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 810 |