| Value | Category | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 1 | coke, coal | 
                                    
                    
                        | 2 | firewood and chips | 
                                    
                    
                        | 3 | gas (coal, oil or LPG) | 
                                    
                    
                        | 4 | gobar gas | 
                                    
                    
                        | 5 | dung cake | 
                                    
                    
                        | 6 | charcoal | 
                                    
                    
                        | 7 | kerosene | 
                                    
                    
                        | 8 | others | 
                                    
                    
                        | 9 | no cooking arrangement | 
                            
            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.