Subject Region
Argentina
1
Arizona
1
Australia
3
BRIC countries
1
British Columbia
1
California
1
Canada
3
Chile
1
China
3
Colombia
1
Developed countries
2
Developing countries
1
Dubayy (Emirate)
1
Europe
3
Germany
1
Great Britain
3
Guatemala
3
India
1
Japan
1
Latin America
1
Mexico
4
New York
1
New York (State)
1
North America
3
Samoa
2
San Francisco
1
Singapore
2
Texas
2
United Arab Emirate
1
United States
131