| Country | Abstracts | Downloads | |
|---|
 | United States | 941 | 453 | 
 |
 | Australia | 96 | 49 | 
 |
 | Canada | 92 | 42 | 
 |
 | India | 37 | 37 | 
 |
 | Europe | 61 | 36 | 
 |
 | Germany | 44 | 32 | 
 |
 | unknown | 64 | 32 | 
 |
 | United Kingdom | 36 | 26 | 
 |
 | Iran, Islamic Republic of | 16 | 23 | 
 |
 | China | 22 | 22 | 
 |
 | Spain | 25 | 18 | 
 |
 | Italy | 13 | 17 | 
 |
 | Japan | 26 | 15 | 
 |
 | New Zealand | 8 | 11 | 
 |
 | Turkey | 27 | 10 | 
 |
 | France | 40 | 10 | 
 |
 | Switzerland | 6 | 9 | 
 |
 | Greece | 7 | 9 | 
 |
 | Hong Kong | 5 | 9 | 
 |
 | Mexico | 7 | 8 | 
 |
 | Brazil | 13 | 8 | 
 |
 | Sweden | 9 | 7 | 
 |
 | Netherlands | 9 | 7 | 
 |
 | Czech Republic | 5 | 6 | 
 |
 | Belgium | 8 | 5 | 
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 | Portugal | 0 | 5 | 
 |
 | South Africa | 9 | 5 | 
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 | Malaysia | 6 | 4 | 
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 | Algeria | 0 | 4 | 
 |
 | Ireland | 6 | 4 | 
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 | Poland | 7 | 4 | 
 |
 | Indonesia | 4 | 3 | 
 |
 | Taiwan, Province of China | 3 | 3 | 
 |
 | Korea, Republic of | 1 | 3 | 
 |
 | Tunisia | 0 | 3 | 
 |
 | Singapore | 3 | 3 | 
 |
 | Saudi Arabia | 1 | 3 | 
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 | Norway | 6 | 3 | 
 |
 | Denmark | 4 | 3 | 
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 | Slovenia | 5 | 3 | 
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 | Thailand | 7 | 3 | 
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 | Pakistan | 2 | 3 | 
 |
 | Hungary | 5 | 3 | 
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 | Austria | 2 | 3 | 
 |
 | Peru | 2 | 2 | 
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 | Chile | 1 | 2 | 
 |
 | Luxembourg | 2 | 2 | 
 |
 | Israel | 3 | 2 | 
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 | Finland | 1 | 2 | 
 |
 | Romania | 2 | 2 | 
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 | Kuwait | 0 | 1 | 
 |
 | Kenya | 0 | 1 | 
 |
 | Papua New Guinea | 0 | 1 | 
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 | Argentina | 4 | 1 | 
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 | Tanzania, United Republic of | 2 | 1 | 
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 | Cuba | 1 | 1 | 
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 | Yugoslavia | 0 | 1 | 
 |
 | Philippines | 3 | 1 | 
 |
 | Iceland | 0 | 1 | 
 |
 | Namibia | 1 | 1 | 
 |
 | Moldova, Republic of | 1 | 1 | 
 |
 | Bulgaria | 1 | 1 | 
 |
 | Croatia | 1 | 1 | 
 |
 | Egypt | 1 | 1 | 
 |
 | Russian Federation | 4 | 1 | 
 |
 | Mozambique | 1 | 1 | 
 |
 | Georgia | 0 | 1 | 
 |
 | Jordan | 0 | 1 | 
 |
 | Malta | 1 | 1 | 
 |
 | Morocco | 1 | 1 | 
 |
 | Colombia | 0 | 1 | 
 |
 | Ukraine | 1 | 1 | 
 |
 | Lebanon | 0 | 1 | 
 |
 | Trinidad and Tobago | 2 | 0 | 
 |
 | Latvia | 1 | 0 | 
 |
 | Jamaica | 1 | 0 | 
 |
 | Armenia | 1 | 0 | 
 |
 | Guam | 1 | 0 | 
 |
 | Slovakia | 1 | 0 | 
 |
 | Puerto Rico | 1 | 0 | 
 |
 | Vietnam | 1 | 0 | 
 |
 | Lithuania | 1 | 0 | 
 |