United States 29,976
Great Britain 2,514
Germany 1,726
China 1,512
Japan 1,274
Israel 992
India 898
California 872
New York (State) 868
France 757
England 752
North Carolina 745
Europe 736
Canada 699
Soviet Union 489
États-Unis 449
Massachusetts 421
Russia (Federation) 412
Indonesia 405
Prussia 373
Italy 358
Pennsylvania 354
New York 330
États-Unis 321
Developing countries 318
Africa 311
Australia 294
Philippines 275
Korea (South) 269
Allemagne 263
Nigeria 258
Spain 244
Mexico 242
South Africa 239
Illinois 228
Thailand 220
Foreign countries 207
Asia 205
North America 195
Prusse 191
Ireland 185
Russia 185
Vietnam 173
Latin America 162
European Union countries 156
Grande-Bretagne 156
Connecticut 150
New Jersey 149
Brazil 148
Philadelphia 147
Austria 146
Ohio 146
Germany (West) 140
London 139
Greece 125
Malaysia 124
Turkey 120
New Zealand 117
Switzerland 114
Scotland 112
Bolivia 111
Colombia 109
Korea 109
New Hampshire 109
USA 108
Netherlands 107
Poland 106
Southern States 99
Taiwan 99
Virginia 99
Pakistan 98
Michigan 96
Middle East 95
Texas 95
Kenya 91
Japon 89
Peru 86
Rome 86
Ukraine 86
New York (N.Y.) 84
Wisconsin 83
Egypt 82
Sweden 82
Uganda 82
European Economic Community countries 81
Singapore 79
Oregon 77
Alaska 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