| Value | Category | 
                                    
                    
                        | -96 | Other, specify | 
                                    
                    
                        | 1 | Firewood | 
                                    
                    
                        | 2 | Paraffin | 
                                    
                    
                        | 3 | Electricity | 
                                    
                    
                        | 4 | Gas | 
                                    
                    
                        | 5 | Charcoal | 
                                    
                    
                        | 6 | Animal residual | 
                                    
                    
                        | 7 | Gas (biogas) | 
                                    
                    
                        | 8 | Does not cook | 
                                    
                    
                        | 11 | .O | 
                            
            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.