| Value | Category | Cases | |
|---|---|---|---|
| 1 | Electric | 2787 | 
                                    
                                    10%
                                 | 
| 2 | LPG | 2786 | 
                                    
                                    10%
                                 | 
| 3 | Kerosene | 2796 | 
                                    
                                    10%
                                 | 
| 4 | Wood / Sawdust Burning | 2786 | 
                                    
                                    10%
                                 | 
| 5 | Efficient Wood Burning | 2786 | 
                                    
                                    10%
                                 | 
| 6 | Charcoal | 2797 | 
                                    
                                    10%
                                 | 
| 7 | Other Biomass Burning | 2786 | 
                                    
                                    10%
                                 | 
| 8 | Open fire | 2797 | 
                                    
                                    10%
                                 | 
| 9 | Other (specify) | 2786 | 
                                    
                                    10%
                                 | 
| 10 | None | 2786 | 
                                    
                                    10%
                                 | 
| Sysmiss | 1 |