Region
United States
119
Canada
7
Africa
6
Germany
4
Bremen
2
Developing countries
2
England
2
Europe
2
Great Britain
2
Gulf Province
2
Gulf Province (Papua New Guinea)
2
India
2
New York (State)
2
Oregon
2
Papua New Guinea
2
Uganda
2
Argentina
1
Australia
1
California
1
China
1
Colorado
1
Ecuador
1
European Union countries
1
Ghana
1
Guatemala
1
Iowa
1
Latin America
1
London
1
London (England)
1
Mexico
1
New York (N.Y.)
1
New York (État)
1
Prairie Provinces
1
Singapore
1
South America
1
Stanford
1
Switzerland
1
Washington (D.C.)
1