| Value | Category | Cases | |
|---|---|---|---|
| 1 | Wood | 3444 | 
                                                                 
                                    
                                    92.7%
                                 
                                                             | 
                                                        
                    
| 2 | Charcoal | 175 | 
                                                                 
                                    
                                    4.7%
                                 
                                                             | 
                                                        
                    
| 3 | Gas | 13 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    
| 4 | Electricity | 0 | 
                                                                 
                                    
                                    0%
                                 
                                                             | 
                                                        
                    
| 5 | Kerosene | 63 | 
                                                                 
                                    
                                    1.7%
                                 
                                                             | 
                                                        
                    
| 6 | Other | 19 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 6 |