Region
Africa
1
Asia
1
Chile
1
China
2
Dallas
2
Developing countries
3
Great Britain
1
India
1
Ireland
1
Japan
2
Kansas
2
Latin America
1
Maryland
1
Massachusetts
2
Mauritius
1
Mexico, Gulf of
1
Michigan
1
New Hampshire
2
New York (State)
1
Québec (Province)
2
Southeast Asia
1
Texas
2
United States
183
United states
1
Washington (State)
1