United States 29,995
Great Britain 2,519
Germany 1,727
China 1,516
Japan 1,277
Israel 996
India 900
California 872
New York (State) 868
France 760
England 755
North Carolina 745
Europe 738
Canada 698
Soviet Union 489
États-Unis 460
Massachusetts 421
Russia (Federation) 412
Indonesia 405
Prussia 373
Italy 358
Pennsylvania 354
New York 329
États-Unis 321
Developing countries 318
Africa 311
Australia 295
Philippines 275
Korea (South) 271
Allemagne 264
Nigeria 259
Spain 245
Mexico 243
South Africa 238
Illinois 228
Thailand 220
Foreign countries 207
Asia 205
North America 194
Prusse 191
Ireland 185
Russia 185
Vietnam 173
Latin America 163
Grande-Bretagne 158
European Union countries 156
Connecticut 150
New Jersey 149
Brazil 148
Austria 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
Colombia 109
Korea 109
New Hampshire 109
Netherlands 107
USA 107
Poland 106
Southern States 99
Taiwan 99
Virginia 99
Pakistan 98
Michigan 96
Middle East 95
Texas 95
Japon 93
Kenya 92
Rome 87
Peru 86
Ukraine 86
New York (N.Y.) 84
Egypt 83
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
Washington (D.C.) 71
Caribbean Area 70
Cambridge 69
Europe, Eastern 69
London (England) 69
Morocco 68