| Country | Abstracts | Downloads | |
|---|
 | United States | 2032 | 4165 | 
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 | Canada | 89 | 409 |
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 | unknown | 239 | 316 |
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 | Australia | 157 | 226 |
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 | Europe | 138 | 219 |
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 | United Kingdom | 96 | 181 |
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 | Germany | 94 | 100 |
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 | Netherlands | 76 | 88 |
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 | Italy | 55 | 65 |
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 | Spain | 67 | 58 |
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 | Switzerland | 14 | 42 |
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 | France | 30 | 34 |
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 | Hong Kong | 20 | 30 |
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 | Austria | 22 | 29 |
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 | Mexico | 22 | 29 |
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 | Sweden | 28 | 29 |
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 | Poland | 20 | 28 |
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 | India | 17 | 27 |
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 | New Zealand | 11 | 27 |
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 | Hungary | 13 | 23 |
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 | China | 9 | 23 |
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 | South Africa | 29 | 22 |
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 | Brazil | 17 | 20 |
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 | Greece | 17 | 18 |
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 | Belgium | 13 | 17 |
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 | Japan | 10 | 16 |
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 | Russian Federation | 9 | 16 |
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 | Turkey | 14 | 15 |
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 | Singapore | 11 | 14 |
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 | Czech Republic | 11 | 14 |
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 | Denmark | 11 | 13 |
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 | Portugal | 10 | 12 |
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 | Yugoslavia | 4 | 10 |
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 | United Arab Emirates | 5 | 10 |
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 | Croatia | 6 | 10 |
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 | Finland | 9 | 9 |
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 | Lithuania | 3 | 9 |
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 | Thailand | 3 | 9 |
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 | Norway | 5 | 8 |
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 | Argentina | 12 | 8 |
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 | Taiwan, Province of China | 8 | 8 |
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 | Romania | 6 | 8 |
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 | Iran, Islamic Republic of | 2 | 7 |
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 | Chile | 4 | 6 |
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 | Latvia | 3 | 5 |
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 | Israel | 4 | 5 |
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 | Korea, Republic of | 4 | 5 |
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 | Indonesia | 5 | 5 |
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 | Saudi Arabia | 3 | 4 |
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 | Slovenia | 3 | 4 |
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 | Estonia | 1 | 4 |
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 | Lebanon | 2 | 3 |
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 | Sri Lanka | 1 | 3 |
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 | Cyprus | 2 | 3 |
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 | Ukraine | 4 | 3 |
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 | Ireland | 2 | 3 |
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 | Philippines | 4 | 3 |
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 | Colombia | 1 | 2 |
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 | Venezuela | 1 | 2 |
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 | Luxembourg | 3 | 2 |
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 | Bangladesh | 1 | 2 |
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 | Costa Rica | 2 | 2 |
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 | Iceland | 1 | 2 |
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 | Egypt | 3 | 2 |
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 | Slovakia | 1 | 2 |
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 | Namibia | 1 | 2 |
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 | Macedonia, the Former Yugoslav Republic of | 1 | 2 |
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 | Nepal | 2 | 2 |
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 | Bulgaria | 1 | 2 |
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 | Pakistan | 2 | 2 |
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 | Bahrain | 0 | 1 |
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 | Vietnam | 1 | 1 |
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 | Cambodia | 1 | 1 |
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 | Azerbaijan | 2 | 1 |
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 | Peru | 2 | 1 |
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 | Kuwait | 0 | 1 |
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 | Malta | 1 | 1 |
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 | Gabon | 0 | 1 |
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 | Tunisia | 1 | 1 |
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 | Maldives | 1 | 1 |
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 | Bosnia and Herzegovina | 1 | 1 |
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 | Ecuador | 2 | 1 |
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 | New Caledonia | 0 | 1 |
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 | Macau | 1 | 1 |
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 | Malaysia | 6 | 0 |
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 | Georgia | 2 | 0 |
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 | Panama | 2 | 0 |
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 | Moldova, Republic of | 1 | 0 |
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 | Nicaragua | 1 | 0 |
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 | Cameroon | 1 | 0 |
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 | Ethiopia | 1 | 0 |
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 | Jordan | 1 | 0 |
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 | Uganda | 1 | 0 |
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 | Kenya | 1 | 0 |
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