| Country | Abstracts | Downloads | |
|---|
 | United States | 593 | 148 | 
 |
 | Australia | 94 | 25 | 
 |
 | India | 59 | 15 | 
 |
 | unknown | 52 | 11 | 
 |
 | United Kingdom | 25 | 7 | 
 |
 | Hong Kong | 16 | 6 | 
 |
 | South Africa | 31 | 5 | 
 |
 | Nepal | 5 | 5 | 
 |
 | Ethiopia | 15 | 5 | 
 |
 | Canada | 14 | 5 | 
 |
 | Malaysia | 12 | 4 | 
 |
 | Netherlands | 9 | 4 | 
 |
 | Spain | 7 | 4 | 
 |
 | Sweden | 4 | 3 | 
 |
 | Pakistan | 10 | 3 | 
 |
 | Sri Lanka | 2 | 3 | 
 |
 | Italy | 7 | 3 | 
 |
 | Ireland | 5 | 2 | 
 |
 | Europe | 50 | 2 | 
 |
 | Indonesia | 4 | 2 | 
 |
 | Taiwan, Province of China | 1 | 2 | 
 |
 | Germany | 5 | 2 | 
 |
 | Uruguay | 2 | 2 | 
 |
 | Bangladesh | 2 | 1 | 
 |
 | Saudi Arabia | 1 | 1 | 
 |
 | Yugoslavia | 1 | 1 | 
 |
 | Russian Federation | 2 | 1 | 
 |
 | Belgium | 1 | 1 | 
 |
 | Puerto Rico | 1 | 1 | 
 |
 | Kenya | 4 | 1 | 
 |
 | Moldova, Republic of | 1 | 1 | 
 |
 | Switzerland | 2 | 1 | 
 |
 | Turkey | 1 | 1 | 
 |
 | France | 6 | 1 | 
 |
 | Namibia | 1 | 1 | 
 |
 | Cambodia | 0 | 1 | 
 |
 | Trinidad and Tobago | 1 | 1 | 
 |
 | Zambia | 1 | 1 | 
 |
 | Cuba | 1 | 1 | 
 |
 | Israel | 0 | 1 | 
 |
 | Chile | 0 | 1 | 
 |
 | Thailand | 1 | 1 | 
 |
 | Romania | 1 | 1 | 
 |
 | Tanzania, United Republic of | 7 | 1 | 
 |
 | Philippines | 6 | 1 | 
 |
 | China | 3 | 1 | 
 |
 | Iran, Islamic Republic of | 1 | 1 | 
 |
 | Luxembourg | 0 | 1 | 
 |
 | Singapore | 6 | 0 | 
 |
 | Greece | 4 | 0 | 
 |
 | New Zealand | 3 | 0 | 
 |
 | Uganda | 3 | 0 | 
 |
 | United Arab Emirates | 3 | 0 | 
 |
 | Slovenia | 2 | 0 | 
 |
 | Japan | 2 | 0 | 
 |
 | Nigeria | 1 | 0 | 
 |
 | Portugal | 1 | 0 | 
 |
 | Kuwait | 1 | 0 | 
 |
 | Brunei Darussalam | 1 | 0 | 
 |
 | Denmark | 1 | 0 | 
 |
 | Lithuania | 1 | 0 | 
 |
 | Bahrain | 1 | 0 | 
 |
 | Zimbabwe | 1 | 0 | 
 |
 | Mauritius | 1 | 0 | 
 |
 | Austria | 1 | 0 | 
 |
 | Algeria | 1 | 0 | 
 |
 | Barbados | 1 | 0 | 
 |