| Value | 
                    Category | 
                                                                            
                                    
                    
                        | A | 
                        Generator  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | B | 
                        Solar Energy  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | C | 
                        Battery /Dry Cells  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | G | 
                        Firewood  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | H | 
                        Straw/Grass/Shrubs  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | I | 
                        Animal Dung  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | X | 
                        Other  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | Y | 
                        none  | 
                        
                            
                        
                        
                        
                        
                            
                    
                            
            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.