| Country | Abstracts | Downloads | |
|---|
 | United States | 849 | 564 | 
 |
 | Australia | 130 | 62 |
|
 | India | 89 | 46 |
|
 | unknown | 85 | 39 |
|
 | Europe | 81 | 30 |
|
 | United Kingdom | 38 | 28 |
|
 | Hong Kong | 31 | 26 |
|
 | South Africa | 48 | 22 |
|
 | Canada | 15 | 20 |
|
 | Spain | 18 | 18 |
|
 | Ethiopia | 28 | 12 |
|
 | Germany | 10 | 9 |
|
 | Singapore | 17 | 9 |
|
 | Nepal | 3 | 8 |
|
 | Pakistan | 10 | 7 |
|
 | Mauritius | 1 | 6 |
|
 | New Zealand | 5 | 6 |
|
 | Netherlands | 8 | 5 |
|
 | Kenya | 11 | 5 |
|
 | Iran, Islamic Republic of | 2 | 5 |
|
 | Thailand | 5 | 5 |
|
 | Ireland | 7 | 5 |
|
 | Malaysia | 12 | 5 |
|
 | Indonesia | 5 | 5 |
|
 | United Arab Emirates | 5 | 5 |
|
 | Italy | 9 | 4 |
|
 | Taiwan, Province of China | 3 | 4 |
|
 | Tanzania, United Republic of | 2 | 4 |
|
 | Nigeria | 0 | 3 |
|
 | China | 2 | 3 |
|
 | Uruguay | 3 | 3 |
|
 | Sweden | 3 | 3 |
|
 | Finland | 1 | 3 |
|
 | Japan | 7 | 3 |
|
 | Mexico | 2 | 3 |
|
 | Zimbabwe | 3 | 2 |
|
 | Norway | 1 | 2 |
|
 | Bangladesh | 8 | 2 |
|
 | El Salvador | 1 | 2 |
|
 | Turkey | 0 | 2 |
|
 | Lithuania | 2 | 2 |
|
 | Philippines | 8 | 2 |
|
 | Puerto Rico | 1 | 2 |
|
 | Russian Federation | 2 | 2 |
|
 | Egypt | 1 | 2 |
|
 | Austria | 2 | 2 |
|
 | Korea, Republic of | 0 | 1 |
|
 | Saudi Arabia | 5 | 1 |
|
 | Sri Lanka | 3 | 1 |
|
 | Algeria | 2 | 1 |
|
 | Iceland | 0 | 1 |
|
 | France | 8 | 1 |
|
 | Moldova, Republic of | 1 | 1 |
|
 | Lesotho | 1 | 1 |
|
 | Vietnam | 2 | 1 |
|
 | Denmark | 3 | 1 |
|
 | Slovenia | 0 | 1 |
|
 | Cuba | 1 | 1 |
|
 | Romania | 1 | 1 |
|
 | Belgium | 2 | 1 |
|
 | Trinidad and Tobago | 2 | 1 |
|
 | Namibia | 2 | 1 |
|
 | Greenland | 0 | 1 |
|
 | Portugal | 0 | 1 |
|
 | Jordan | 1 | 1 |
|
 | Greece | 6 | 1 |
|
 | Bulgaria | 0 | 1 |
|
 | Chile | 2 | 1 |
|
 | Jamaica | 2 | 1 |
|
 | Brazil | 0 | 1 |
|
 | Ghana | 3 | 0 |
|
 | Malta | 2 | 0 |
|
 | Latvia | 2 | 0 |
|
 | Switzerland | 2 | 0 |
|
 | Uganda | 2 | 0 |
|
 | Myanmar | 2 | 0 |
|
 | Libyan Arab Jamahiriya | 2 | 0 |
|
 | Israel | 2 | 0 |
|
 | Kuwait | 1 | 0 |
|
 | Slovakia | 1 | 0 |
|
 | Costa Rica | 1 | 0 |
|
 | Barbados | 1 | 0 |
|
 | Kazakhstan | 1 | 0 |
|
 | Argentina | 1 | 0 |
|
 | Venezuela | 1 | 0 |
|
 | Bahrain | 1 | 0 |
|
 | Colombia | 1 | 0 |
|
 | Cyprus | 1 | 0 |
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