| Value | Category | 
                                    
                    
                        | 1 | Small (5-19) | 
                                    
                    
                        | 2 | Medium (20-99) | 
                                    
                    
                        | 3 | Large (100 or more) | 
                                    
                    
                        | 4 | Small or Medium (5-99) | 
                                    
                    
                        | 5 | Medium or Large (100 or more) | 
                            
            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.