United States 1,423 Europe 122 China 83 European Union countries 57 Japan 54 Russia (Federation) 53 Soviet Union 41 Israel 40 Asia 39 Middle East 37 Canada 35 Afghanistan 34 Southeast Asia 33 Pacific Area 30 East Asia 29 Developing countries 25 Latin America 25 Australia 23 Africa 22 Germany 22 South Asia 22 India 20 Asia, Central 16 Iraq 16 Korea (North) 16 États-Unis 15 Great Britain 15 Iran 15 Mexico 15 Scotland 14 Pakistan 13 Europe, Eastern 12 Taiwan 12 Former Soviet republics 11 Colombia 10 Indonesia 10 Korea (South) 10 France 9 Mexican-American Border Region 9 North America 9 Turkey 9 Balkan Peninsula 8 Saudi Arabia 8 Central Asia 7 Eastern Europe 7 Caribbean Area 6 Europe, Central 6 Malaysia 6 Mediterranean Region 6 Ukraine 6 Africa, West 5 Communist countries 5 Korea 5 Persian Gulf Region 5 Vietnam 5 Western Hemisphere 5 Arctic regions 4 Black Sea Region 4 Central America 4 Central Europe 4 Egypt 4 Europäische Union 4 Islamic countries 4 Nigeria 4 Palestine 4 Russie 4 South Africa 4 Spain 4 USA 4 Verenigde Staten 4 Yemen (Republic) 4 Africa, Sub-Saharan 3 Baltic States 3 Bosnia and Herzegovina 3 Brazil 3 Bulgaria 3 California 3 Caucasus, South 3 European Economic Community countries 3 Georgia (Republic) 3 Great Lakes Region (Africa) 3 Jordan 3 Lebanon 3 Middle East Region 3 Poland 3 South China Sea 3 Sweden 3 Africa, Southern 2 Afrika 2 Allemagne RF 2 Arab countries 2 Arctic Regions 2 Austria 2 Canada, Northern 2 Caspian Sea Region 2 Chiapas (Mexico) 2 Chine 2 Cuba 2 Czech Republic 2 Eurasia 2