| Country | Abstracts | Downloads | |
|---|
 | United States | 4859 | 2075 | 
 |
 | Australia | 463 | 139 |
|
 | unknown | 543 | 110 |
|
 | United Kingdom | 222 | 90 |
|
 | Europe | 149 | 65 |
|
 | India | 129 | 52 |
|
 | Canada | 134 | 51 |
|
 | Sweden | 106 | 50 |
|
 | Germany | 164 | 45 |
|
 | France | 55 | 36 |
|
 | Italy | 123 | 35 |
|
 | China | 134 | 27 |
|
 | Spain | 70 | 25 |
|
 | Netherlands | 71 | 23 |
|
 | Switzerland | 47 | 18 |
|
 | Korea, Republic of | 51 | 15 |
|
 | Poland | 19 | 15 |
|
 | Japan | 103 | 13 |
|
 | Taiwan, Province of China | 41 | 13 |
|
 | Iran, Islamic Republic of | 27 | 10 |
|
 | Denmark | 6 | 10 |
|
 | Turkey | 22 | 9 |
|
 | Belgium | 17 | 8 |
|
 | Hong Kong | 27 | 8 |
|
 | Slovenia | 9 | 8 |
|
 | Brazil | 46 | 8 |
|
 | Portugal | 7 | 6 |
|
 | Austria | 18 | 6 |
|
 | Ireland | 34 | 6 |
|
 | Finland | 12 | 6 |
|
 | Norway | 24 | 6 |
|
 | Greece | 18 | 6 |
|
 | New Zealand | 16 | 5 |
|
 | South Africa | 21 | 5 |
|
 | Thailand | 16 | 4 |
|
 | Mexico | 16 | 4 |
|
 | Iceland | 9 | 4 |
|
 | Singapore | 10 | 3 |
|
 | Malaysia | 10 | 3 |
|
 | Egypt | 6 | 3 |
|
 | Czech Republic | 17 | 2 |
|
 | Russian Federation | 14 | 2 |
|
 | Luxembourg | 2 | 2 |
|
 | Indonesia | 5 | 2 |
|
 | Slovakia | 1 | 2 |
|
 | Colombia | 7 | 2 |
|
 | United Arab Emirates | 11 | 2 |
|
 | Lebanon | 4 | 2 |
|
 | Israel | 11 | 1 |
|
 | Tanzania, United Republic of | 1 | 1 |
|
 | Peru | 1 | 1 |
|
 | Moldova, Republic of | 3 | 1 |
|
 | Vietnam | 4 | 1 |
|
 | Jordan | 1 | 1 |
|
 | Trinidad and Tobago | 1 | 1 |
|
 | Croatia | 10 | 1 |
|
 | Morocco | 0 | 1 |
|
 | Bangladesh | 5 | 1 |
|
 | Saudi Arabia | 4 | 1 |
|
 | Argentina | 18 | 1 |
|
 | Jamaica | 1 | 1 |
|
 | Philippines | 8 | 1 |
|
 | Ethiopia | 1 | 1 |
|
 | Chile | 6 | 0 |
|
 | Pakistan | 5 | 0 |
|
 | Ukraine | 4 | 0 |
|
 | Sri Lanka | 3 | 0 |
|
 | Yugoslavia | 3 | 0 |
|
 | Hungary | 3 | 0 |
|
 | Puerto Rico | 3 | 0 |
|
 | Georgia | 2 | 0 |
|
 | Latvia | 2 | 0 |
|
 | Romania | 2 | 0 |
|
 | Nepal | 1 | 0 |
|
 | Cuba | 1 | 0 |
|
 | El Salvador | 1 | 0 |
|
 | Bulgaria | 1 | 0 |
|
 | Barbados | 1 | 0 |
|
 | Ecuador | 1 | 0 |
|
 | Panama | 1 | 0 |
|
 | Lithuania | 1 | 0 |
|
 | Namibia | 1 | 0 |
|
 | Kenya | 1 | 0 |
|
 | Brunei Darussalam | 1 | 0 |
|
 | Tunisia | 1 | 0 |
|
 | Macedonia, the Former Yugoslav Republic of | 1 | 0 |
|
 | Kuwait | 1 | 0 |
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