| Value | Category | 
                                    
                    
                        | 1 | Lack of | 
                                    
                    
                        | 2 | Lack of | 
                                    
                    
                        | 3 | Lack of | 
                                    
                    
                        | 4 | Lack of | 
                                    
                    
                        | 5 | Safety i | 
                                    
                    
                        | 6 | Bad infr | 
                                    
                    
                        | 7 | Transpor | 
                                    
                    
                        | 8 | Quality | 
                                    
                    
                        | 9 | Discrimi | 
                                    
                    
                        | 10 | Others | 
                                    
                    
                        | 99 | End Of L | 
                                    
                    
                        | 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.