| Value | Category | 
                                    
                    
                        | 1 | Small shop | 
                                    
                    
                        | 2 | Supermarket | 
                                    
                    
                        | 3 | Food shop | 
                                    
                    
                        | 4 | Market | 
                                    
                    
                        | 5 | Mobile seller | 
                                    
                    
                        | 6 | Health service | 
                                    
                    
                        | 7 | Individual service provider | 
                                    
                    
                        | 8 | Other | 
                                    
                    
                        | 9 | Don't know | 
                                    
                    
                        | Sysmiss |  | 
                            
            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.