| Value | Category | 
                                    
                    
                        | 1 | Electricity | 
                                    
                    
                        | 2 | Solar energy | 
                                    
                    
                        | 3 | Liquefied petroleum gas (LPG)/cooking gas | 
                                    
                    
                        | 4 | Piped natural gas | 
                                    
                    
                        | 5 | Biogas | 
                                    
                    
                        | 6 | Alcohol/ethanol | 
                                    
                    
                        | 7 | Gasoline/diesel | 
                                    
                    
                        | 8 | Kerosene/paraffin | 
                                    
                    
                        | 9 | Coal/lignite | 
                                    
                    
                        | 10 | Charcoal | 
                                    
                    
                        | 11 | Wood | 
                                    
                    
                        | 12 | Straw/shrubs/grass | 
                                    
                    
                        | 13 | Agricultural crop | 
                                    
                    
                        | 14 | Animal dung/waste | 
                                    
                    
                        | 15 | Processed biomass (pellets) or woodchips | 
                                    
                    
                        | 16 | Garbage/plastic | 
                                    
                    
                        | 17 | Sawdust | 
                                    
                    
                        | 95 | No food cooked in house | 
                                    
                    
                        | 96 | Other | 
                            
            Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.