Oblast
United States
4 569
China
981
Japan
868
Great Britain
825
Germany
735
Soviet Union
720
Massachusetts
631
France
594
Developing countries
563
Europe
522
Cambridge
489
India
357
Canada
347
Italy
332
England
270
California
235
Russia (Federation)
230
New York (State)
224
Nigeria
205
Illinois
198
Brazil
191
Indonesia
185
Spain
177
European Union countries
169
Chicago
168
Australia
166
Korea (South)
150
Mexico
150
Africa
148
Paris
148
Pennsylvania
146
Russia
134
Austria
131
Germany (West)
126
Greece
120
Latin America
109
Poland
109
Sweden
109
États-Unis
107
New York
102
États-Unis
100
Asia
96
Chicago (Ill.)
94
Netherlands
91
European Economic Community countries
89
London
87
Argentina
86
Philadelphia
86
Switzerland
83
Israel
76
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