United States 17,007 Europe 7,148 Italy 4,076 France 3,427 Latin America 3,392 Germany 3,269 India 3,234 Asia 2,758 Soviet Union 2,672 Developing countries 2,395 Indonesia 2,292 China 2,275 Africa 2,235 Great Britain 2,233 Canada 2,073 Spain 1,768 Germany (West) 1,557 Japan 1,467 Russia (Federation) 1,464 Mexico 1,274 Southeast Asia 1,196 Brazil 1,148 Turkey 1,071 Europe, Eastern 1,041 Australia 990 Middle East 987 Poland 942 Pacific Area 852 European Economic Community countries 845 Arab countries 839 Greece 802 Russia 792 Israel 758 Argentina 753 America 735 Austria 685 Peru 684 South Africa 637 Rome 622 Germany (East) 609 Eastern Europe 606 Thailand 600 Malaysia 577 Caribbean Area 573 Mediterranean Region 561 California 555 New York (State) 554 Egypt 536 North America 523 East Asia 512 Colombia 506 Bolivia 490 Philippines 485 Yugoslavia 482 Nigeria 479 Taiwan 474 Tropics 455 England 449 Portugal 424 Asia, Southeastern 418 Pakistan 407 Rome (Empire) 397 Ukraine 385 Chile 360 Netherlands 360 Scandinavia 360 Central America 355 Europe, Central 351 Africa, Southern 332 South Asia 331 Hungary 329 Foreign countries 327 Southern States 313 Czechoslovakia 310 South America 309 Switzerland 302 Africa, Sub-Saharan 301 Congresses 293 Iran 288 European Union countries 283 New Zealand 267 Bulgaria 261 Ireland 256 Africa, North 254 États-Unis 254 Venezuela 252 Islamic countries 247 Oceania 246 Palestine 246 Byzantine Empire 242 Balkan Peninsula 239 Bangladesh 234 Korea 231 Belgium 224 Vietnam 224 West (U.S.) 224 Québec (Province) 219 Earth (Planet) 217 Ecuador 209 Korea (South) 202