United States 12,543
China 3,027
India 2,530
France 1,875
Japan 1,766
Indonesia 1,743
Russia (Federation) 1,491
Mexico 1,371
Germany 1,361
Canada 1,342
Great Britain 1,177
Europe 1,171
Spain 1,125
Soviet Union 1,072
Italy 1,013
Brazil 896
Developing countries 896
California 879
New York (State) 795
Turkey 771
Israel 730
Africa 687
Latin America 665
Australia 652
Poland 625
Peru 599
Argentina 591
Asia 555
Thailand 548
Philippines 519
Massachusetts 518
Illinois 462
Pakistan 455
England 449
South Africa 447
Pennsylvania 430
Taiwan 428
Egypt 422
Texas 399
Ukraine 379
Iran 374
Colombia 369
Russia 365
Sweden 365
Malaysia 347
New Jersey 347
Bolivia 343
Hungary 340
Chile 319
Vietnam 317
Bangladesh 313
Puerto Rico 309
Netherlands 308
Ecuador 304
Venezuela 304
Switzerland 302
Nigeria 295
Belgium 293
Florida 291
Maryland 289
Greece 287
Austria 285
Connecticut 284
North Carolina 283
Michigan 282
Costa Rica 280
Korea (South) 279
New Zealand 277
Ireland 269
Germany (West) 266
Middle East 265
Ohio 264
Alberta 258
Wisconsin 258
Portugal 257
New York (N.Y.) 241
Kenya 235
Finland 229
New York 225
Nepal 222
Cuba 220
Romania 220
Yugoslavia 220
Guatemala 218
Bulgaria 214
Virginia 209
Morocco 206
Hawaii 205
Washington (State) 205
Africa, Sub-Saharan 202
Québec (Province) 202
Boston (Mass.) 201
Czech Republic 199
Georgia 199
Norway 197
Rhode Island 196
Arab countries 195
Algeria 191
Alaska 190
Louisiana 187