| Value | Category | 
                                    
                    
                        | 0 | Not allocated or topcoded | 
                                    
                    
                        | 1 | Allocated, not topcoded | 
                                    
                    
                        | 2 | Topcoded and allocated | 
                                    
                    
                        | 3 | Topcoded, not allocated | 
                            
            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.