Region
United States
89
California
20
New York (State)
11
Ohio
11
Great Britain
9
New York
9
San Francisco
9
Iowa
7
Illinois
6
Massachusetts
6
Chicago
5
England
5
London
5
Michigan
5
Berkeley
4
Cleveland
4
Texas
4
Boston
3
Los Angeles
3
Ames
2
Cambridge
2
Columbus
2
Des Moines
2
Iowa City
2
Northern Ireland
2
Washington (D.C.)
2
Albany
1
Ann Arbor
1
Arizona
1
Austin
1
Australia
1
British Columbia
1
Bronx (New York, N.Y.)
1
Burnaby
1
Canada
1
Caribbean Area
1
Champaign
1
Cincinnati
1
Colorado
1
Commonwealth countries
1
Dallas
1
Dayton
1
Delaware
1
Denver
1
Detroit
1
East Lansing
1
Europe
1
Flint
1
Florida
1
Fort Worth
1
more ...