Region
United States
521
Canada
28
Great Britain
26
New York (State)
16
England
13
South Africa
11
Germany
10
New York
10
Australia
9
New Jersey
9
California
8
China
8
New York (N.Y.)
8
Texas
8
Brazil
7
Europe
7
Africa
6
Minnesota
6
Ontario
6
Peru
6
Southern States
6
Mexico
5
Middle West
5
New England
5
Princeton
5
Colombia
4
Israel
4
Japan
4
Massachusetts
4
Michigan
4
North Carolina
4
Soviet Union
4
Amherst
3
Austin
3
Chile
3
Illinois
3
India
3
Indiana
3
Italy
3
Ithaca
3
Jamaica
3
Malawi
3
Nigeria
3
Poland
3
Québec (Province)
3
Scotland
3
Singapore
3
South Carolina
3
Utah
3
Washington (State)
3
more ...