Region
United States
724
Canada
36
Great Britain
28
New York (State)
21
Germany
16
England
13
Australia
11
New York
11
South Africa
11
China
10
Southern States
10
Texas
10
New Jersey
9
Africa
8
California
8
New York (N.Y.)
8
Ontario
8
Brazil
7
Europe
7
Middle West
7
North Carolina
7
Colombia
6
Israel
6
Massachusetts
6
Minnesota
6
New England
6
Peru
6
Soviet Union
6
Japan
5
Mexico
5
Princeton
5
Québec (Province)
5
Hamburg
4
India
4
Indiana
4
Michigan
4
Poland
4
Scotland
4
Amherst
3
Austin
3
Chile
3
Connecticut
3
Developing countries
3
Illinois
3
Italy
3
Ithaca
3
Jamaica
3
Malawi
3
Nigeria
3
Oregon
3
more ...