| Value | Category | 
                                    
                    
                        | -99 | Refused to answer | 
                                    
                    
                        | -88 | Not provided | 
                                    
                    
                        | -77 | Not applicable | 
                                    
                    
                        | -66 | Do not know | 
                                    
                    
                        | 1 | Your parent company or affiliated establishment | 
                                    
                    
                        | 2 | Large firms (more than 100 workers) | 
                                    
                    
                        | 3 | Medium private firms ( 20-100 workers) | 
                                    
                    
                        | 4 | Small private firms (less than 20 workers) | 
                                    
                    
                        | 5 | Individuals | 
                                    
                    
                        | 6 | Government or government agencies (including state-owned ent | 
                                    
                    
                        | 7 | Others | 
                            
            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.