United States 1,073
Europe, Eastern 371
Eastern Europe 261
Europe 218
Japan 193
Former Soviet republics 73
Europe, Central 71
Hungary 61
Soviet Union 60
Romania 53
Russia (Federation) 49
Poland 46
Balkan Peninsula 43
China 43
Central Europe 41
Germany 34
European Union countries 25
Asia 21
Developing countries 21
Europe, Western 21
East Asia 17
États-Unis 16
Great Britain 14
Iraq 14
Middle East 14
Europe de l'Est 13
Canada 12
Cuba 12
Latin America 12
Czech Republic 11
Bulgaria 10
Central America 9
Korea (South) 9
Southeast Asia 9
Yugoslavia 9
Western Europe 8
Bosnia and Herzegovina 7
France 7
India 7
Pologne 7
European Economic Community countries 6
Israel 6
Ukraine 6
Argentina 5
Europe orientale 5
Hongrie 5
Korea (North) 5
Massachusetts 5
South Africa 5
Taiwan 5
Vietnam 5
Western countries 5
Asia, Central 4
Europe centrale 4
Former communist countries 4
Korea 4
Kosovo (Republic) 4
Nicaragua 4
Osteuropa 4
Paraguay 4
Turkey 4
USA 4
West Virginia 4
Afghanistan 3
Africa 3
Australia 3
Belarus 3
Caribbean Area 3
Chile 3
Communist countries 3
Etats-Unis 3
Europäische Union 3
Europe, Southern 3
Iran 3
Islamic countries 3
Japon 3
Libya 3
New York (State) 3
North Macedonia 3
Pacific Area 3
Slovakia 3
Southern States 3
Texas 3
Verenigde Staten 3
Africa, Southern 2
Allemagne RF 2
Austria 2
Berkeley (Calif.) 2
Boston (Mass.) 2
Brazil 2
Burma 2
California 2
Caucasus 2
Caucasus, South 2
Colombia 2
Czechoslovakia 2
Deutschland 2
Estados Unidos 2
Etats-Unis d'Amérique 2
Eurasia 2