United States 15,965
China 8,906
India 5,070
Great Britain 4,793
Japan 4,107
Soviet Union 3,969
France 3,567
England 3,185
Germany 3,059
Mexico 2,695
Indonesia 2,686
Italy 2,660
Europe 2,531
Brazil 2,157
Russia (Federation) 2,040
Israel 1,991
Developing countries 1,917
New York (State) 1,804
Russia 1,657
Spain 1,612
Africa 1,426
Canada 1,351
Argentina 1,319
California 1,312
Peru 1,308
Latin America 1,098
Poland 1,082
Taiwan 1,079
Ireland 1,011
Thailand 993
Tropics 988
Australia 974
Philippines 974
Scotland 925
Nigeria 866
Colombia 819
Vietnam 813
Asia 755
Massachusetts 730
European Economic Community countries 716
Texas 699
Pakistan 698
Turkey 697
Bolivia 690
Egypt 671
Korea 655
Chile 642
Southern States 633
Pennsylvania 600
South Africa 588
Ukraine 588
Venezuela 569
North Carolina 563
Hungary 559
Europe, Eastern 558
Malaysia 520
Rome 519
Middle East 511
Greece 508
Bangladesh 504
Sweden 501
Kenya 499
Iran 489
Korea (South) 486
Austria 472
Switzerland 470
Georgia 462
Africa, Sub-Saharan 444
Germany (West) 441
Ethiopia 435
Virginia 434
Tanzania 433
Illinois 429
Kansas 426
Iowa 424
Netherlands 422
Ecuador 420
Denmark 414
European Union countries 394
New Zealand 387
Romania 387
Guatemala 378
Portugal 378
South Carolina 369
Michigan 365
Minnesota 365
Belgium 363
Ohio 353
Nebraska 347
Yugoslavia 345
Palestine 343
Cuba 342
Manchuria 334
Czechoslovakia 332
Puerto Rico 331
Florida 329
Wisconsin 329
Colorado 328
Uruguay 328
Sri Lanka 327