| Value | Category | 
                                    
                    
                        | 0 | None | 
                                    
                    
                        | 1 | R1 - R100 | 
                                    
                    
                        | 2 | R101-R200 | 
                                    
                    
                        | 3 | R201-R300 | 
                                    
                    
                        | 4 | R301-R500 | 
                                    
                    
                        | 5 | R501-R1000 | 
                                    
                    
                        | 6 | R1001-R2000 | 
                                    
                    
                        | 7 | More than R2000 | 
                                    
                    
                        | 8 | Not applicable | 
                                    
                    
                        | 9 | Unspecified | 
                            
            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.