United States 15,971
China 8,915
India 5,082
Great Britain 4,796
Japan 4,107
Soviet Union 3,972
France 3,571
England 3,244
Germany 3,067
Mexico 2,700
Indonesia 2,699
Italy 2,666
Europe 2,530
Brazil 2,160
Russia (Federation) 2,061
Israel 1,992
Developing countries 1,916
New York (State) 1,804
Russia 1,658
Spain 1,612
Africa 1,426
Canada 1,352
Argentina 1,320
California 1,312
Peru 1,309
Latin America 1,100
Poland 1,083
Taiwan 1,078
Ireland 1,015
Thailand 995
Tropics 988
Australia 986
Philippines 975
Scotland 926
Nigeria 867
Colombia 821
Vietnam 813
Asia 756
Massachusetts 725
European Economic Community countries 717
Pakistan 702
Texas 699
Turkey 698
Bolivia 690
Egypt 673
Korea 655
Chile 641
Southern States 634
Pennsylvania 599
South Africa 591
Ukraine 590
Venezuela 570
North Carolina 565
Europe, Eastern 558
Hungary 558
Malaysia 520
Rome 519
Middle East 512
Greece 509
Bangladesh 504
Sweden 502
Kenya 500
Iran 490
Korea (South) 489
Austria 472
Switzerland 472
Georgia 462
Africa, Sub-Saharan 445
Germany (West) 442
Ethiopia 436
Virginia 434
Illinois 430
Tanzania 430
Kansas 426
Iowa 425
Netherlands 423
Ecuador 422
Denmark 414
European Union countries 394
New Zealand 387
Romania 387
Guatemala 379
Portugal 378
South Carolina 368
Belgium 367
Michigan 366
Minnesota 366
Ohio 353
Nebraska 347
Palestine 345
Yugoslavia 345
Cuba 344
Manchuria 334
Czechoslovakia 333
Puerto Rico 332
Colorado 329
Florida 329
Wisconsin 329
Sri Lanka 328
Uruguay 328