United States 15,964
China 8,911
India 5,073
Great Britain 4,795
Japan 4,107
Soviet Union 3,968
France 3,568
England 3,186
Germany 3,068
Indonesia 2,696
Mexico 2,695
Italy 2,660
Europe 2,531
Brazil 2,158
Russia (Federation) 2,059
Israel 1,991
Developing countries 1,917
New York (State) 1,803
Russia 1,657
Spain 1,612
Africa 1,428
Canada 1,351
Argentina 1,320
California 1,312
Peru 1,308
Latin America 1,099
Poland 1,082
Taiwan 1,078
Ireland 1,012
Thailand 994
Tropics 988
Australia 985
Philippines 975
Scotland 925
Nigeria 867
Colombia 821
Vietnam 813
Asia 756
Massachusetts 724
European Economic Community countries 718
Pakistan 700
Texas 699
Turkey 697
Bolivia 690
Egypt 671
Korea 655
Chile 642
Southern States 634
Pennsylvania 599
South Africa 589
Ukraine 588
Venezuela 570
North Carolina 565
Hungary 559
Europe, Eastern 558
Malaysia 520
Rome 518
Middle East 512
Greece 509
Bangladesh 504
Sweden 502
Kenya 500
Iran 489
Korea (South) 486
Austria 472
Switzerland 471
Georgia 461
Africa, Sub-Saharan 445
Germany (West) 443
Ethiopia 436
Virginia 434
Tanzania 432
Illinois 430
Kansas 426
Iowa 424
Netherlands 423
Ecuador 421
Denmark 414
European Union countries 394
New Zealand 387
Romania 387
Guatemala 378
Portugal 378
South Carolina 368
Belgium 365
Michigan 365
Minnesota 365
Ohio 353
Nebraska 347
Palestine 345
Yugoslavia 345
Cuba 343
Manchuria 334
Czechoslovakia 333
Puerto Rico 332
Colorado 329
Florida 329
Wisconsin 329
Sri Lanka 328
Uruguay 328