Region
United States
4,569
China
980
Japan
868
Great Britain
825
Germany
734
Soviet Union
718
Massachusetts
632
France
591
Developing countries
562
Europe
522
Cambridge
490
India
357
Canada
347
Italy
333
England
270
California
235
Russia (Federation)
230
New York (State)
224
Nigeria
205
Illinois
198
Brazil
190
Indonesia
185
Spain
176
European Union countries
169
Chicago
168
Australia
166
Mexico
150
Korea (South)
149
Africa
148
Paris
147
Pennsylvania
146
Russia
132
Austria
131
Germany (West)
125
Greece
120
Latin America
109
Poland
109
Sweden
109
États-Unis
106
New York
102
États-Unis
101
Asia
96
Chicago (Ill.)
94
Netherlands
91
European Economic Community countries
89
London
87
Argentina
86
Philadelphia
86
Switzerland
83
Israel
76
more ...