| Value | Category | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 1 | state | 
                                    
                    
                        | 2 | collective | 
                                    
                    
                        | 3 | private | 
                                    
                    
                        | 4 | mixed | 
                                    
                    
                        | 5 | foreign | 
                                    
                    
                        | 6 | joint venture | 
                                    
                    
                        | 7 | work for separate persons | 
                                    
                    
                        | 8 | public org, churches | 
                            
            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.