United States 29,988
Great Britain 2,519
Germany 1,728
China 1,516
Japan 1,282
Israel 1,000
India 900
California 872
New York (State) 867
France 760
England 754
North Carolina 745
Europe 737
Canada 698
Soviet Union 489
États-Unis 463
Massachusetts 421
Russia (Federation) 414
Indonesia 405
Prussia 373
Italy 359
Pennsylvania 354
New York 328
États-Unis 321
Developing countries 318
Africa 311
Australia 295
Philippines 275
Korea (South) 272
Allemagne 265
Nigeria 259
Spain 245
Mexico 243
South Africa 238
Illinois 228
Thailand 221
Foreign countries 207
Asia 205
North America 195
Prusse 191
Ireland 185
Russia 185
Vietnam 173
Latin America 163
Grande-Bretagne 158
European Union countries 156
Connecticut 150
New Jersey 149
Austria 147
Brazil 147
Philadelphia 147
Ohio 146
Germany (West) 140
London 139
Greece 126
Malaysia 124
Turkey 120
New Zealand 116
Switzerland 114
Scotland 113
Bolivia 111
Korea 110
Colombia 109
New Hampshire 109
Netherlands 107
Poland 107
USA 106
Taiwan 99
Japon 98
Pakistan 98
Southern States 98
Virginia 98
Michigan 96
Middle East 96
Texas 95
Kenya 92
Peru 86
Rome 86
Ukraine 86
Egypt 84
New York (N.Y.) 84
Wisconsin 83
Sweden 82
Uganda 82
European Economic Community countries 81
Singapore 79
Alaska 76
Oregon 76
Tropics 76
Argentina 75
Ecuador 75
Ghana 74
Colorado 71
South Carolina 71
Caribbean Area 70
Washington (D.C.) 70
Cambridge 69
Europe, Eastern 69
London (England) 69
Morocco 68