Region
United States
118
Colorado
110
Great Britain
26
California
2
Iowa
2
New York (State)
2
Oregon
2
Washington (D.C.)
2
Alaska
1
Arizona
1
Asia
1
Austin
1
Avery County
1
Canada
1
Centennial
1
China
1
Developed countries
1
Developing countries
1
El Paso County
1
Europe
1
Idaho
1
Illinois
1
Japan
1
Kentucky
1
Middle West
1
Missouri
1
North America
1
North Carolina
1
Orange County
1
Pennsylvania
1
Philadelphia
1
Texas
1
West (U.S.)
1
West Virginia
1