Region
United States
968
Great Britain
50
England
27
Europe
21
Canada
12
New York (State)
12
China
11
Developing countries
9
American Samoa
8
California
8
Germany
8
New York
8
Pennsylvania
7
Tennessee
7
London
6
Mexico
6
Africa
5
France
5
India
5
Japan
5
New Jersey
5
North America
5
Southern States
5
European Union countries
4
Kentucky
4
Oklahoma
4
Philadelphia
4
South Africa
4
Soviet Union
4
Sweden
4
Washington (D.C.)
4
Alabama
3
Florida
3
Georgia
3
Illinois
3
Maryland
3
Massachusetts
3
Middle West
3
Missouri
3
North Carolina
3
Ohio
3
South Carolina
3
Virginia
3
États-Unis
3
Arizona
2
Asia
2
Australia
2
Brazil
2
Cambridge
2
Chile
2
more ...