| Value | Category | Cases | |
|---|---|---|---|
| ? | 1 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| Afghanistan | 1 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| Belgium | 1 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| Britain | 1 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| China | 1 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| Congo | 22 | 
                                                                 
                                    
                                    10%
                                 
                                                             | 
                                                        
                    |
| Egypt | 11 | 
                                                                 
                                    
                                    5%
                                 
                                                             | 
                                                        
                    |
| Ethiopia | 9 | 
                                                                 
                                    
                                    4.1%
                                 
                                                             | 
                                                        
                    |
| Europe | 1 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| France | 3 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    |
| Germany | 7 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    |
| Hong Kong | 2 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    |
| India | 4 | 
                                                                 
                                    
                                    1.8%
                                 
                                                             | 
                                                        
                    |
| Israel | 1 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| Italy | 3 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    |
| Japan | 1 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| Korea | 1 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| Kuwait | 1 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| Madagascar | 1 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| Malawi | 5 | 
                                                                 
                                    
                                    2.3%
                                 
                                                             | 
                                                        
                    |
| Mozambique | 3 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    |
| Netherlands | 2 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    |
| Nigeria | 1 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| Not Stated | 34 | 
                                                                 
                                    
                                    15.5%
                                 
                                                             | 
                                                        
                    |
| Pakistan | 21 | 
                                                                 
                                    
                                    9.5%
                                 
                                                             | 
                                                        
                    |
| Saudi Arabia | 1 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| Somalia | 3 | 
                                                                 
                                    
                                    1.4%
                                 
                                                             | 
                                                        
                    |
| South Africa | 2 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    |
| Spain | 1 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| Sudan | 10 | 
                                                                 
                                    
                                    4.5%
                                 
                                                             | 
                                                        
                    |
| Taiwan | 1 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| Thailand | 1 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| UK | 1 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| USA | 11 | 
                                                                 
                                    
                                    5%
                                 
                                                             | 
                                                        
                    |
| United Arab Emirates | 2 | 
                                                                 
                                    
                                    0.9%
                                 
                                                             | 
                                                        
                    |
| United Kingdom | 32 | 
                                                                 
                                    
                                    14.5%
                                 
                                                             | 
                                                        
                    |
| United States | 10 | 
                                                                 
                                    
                                    4.5%
                                 
                                                             | 
                                                        
                    |
| Vietnam | 1 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| Yemen | 1 | 
                                                                 
                                    
                                    0.5%
                                 
                                                             | 
                                                        
                    |
| Zambia | 5 | 
                                                                 
                                    
                                    2.3%
                                 
                                                             |