| Value | Category | Cases | |
|---|---|---|---|
| 1 | Firewood | 4258 | 
                                    
                                    94.6%
                                 | 
| 2 | Charcoal | 110 | 
                                    
                                    2.4%
                                 | 
| 3 | Kerosene | 8 | 
                                    
                                    0.2%
                                 | 
| 4 | Liquified petroleum gas | 100 | 
                                    
                                    2.2%
                                 | 
| 5 | Electricity | 12 | 
                                    
                                    0.3%
                                 | 
| 6 | None | 2 | 
                                    
                                    0%
                                 | 
| 7 | Other | 10 | 
                                    
                                    0.2%
                                 |