| Value | Category | 
                                    
                    
                        | 1 | South Africa | 
                                    
                    
                        | 2 | SADC countries | 
                                    
                    
                        | 3 | Rest of Africa | 
                                    
                    
                        | 4 | Europe | 
                                    
                    
                        | 5 | Asia | 
                                    
                    
                        | 6 | North America | 
                                    
                    
                        | 7 | Central and South America | 
                                    
                    
                        | 8 | Australia and New Zealand | 
                            
            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.