| Value | Category | 
                                    
                    
                        | 0 | No information | 
                                    
                    
                        | 1 | Food Manufacturing | 
                                    
                    
                        | 2 | Other Manufacturing | 
                                    
                    
                        | 3 | Retail | 
                                    
                    
                        | 4 | Other Services | 
                            
            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.