Geography
United States
456 results
Developing countries
19 results
Great Britain
17 results
Texas
17 results
California
14 results
Atlantic Ocean
10 results
États-Unis
9 results
Europe
8 results
Canada
7 results
Soviet Union
7 results
India
6 results
North Atlantic Ocean
6 results
Southern States
6 results
Alaska
5 results
Australia
5 results
Idaho
5 results
North Carolina
5 results
Ohio
5 results
Pacific Ocean
5 results
Wisconsin
5 results
Africa, Sub-Saharan
4 results
England
4 results
European Union countries
4 results
Indiana
4 results
Japan
4 results
Kentucky
4 results
Louisiana
4 results
Middle Atlantic States
4 results
OECD countries
4 results
Oklahoma
4 results
Oregon
4 results
Pennsylvania
4 results
Tanzania
4 results
Uganda
4 results
Africa
3 results
Arizona
3 results
Dayton
3 results
El Paso
3 results
Ethiopia
3 results
Florida
3 results
Haiti
3 results
Indian Ocean
3 results
Malawi
3 results
Massachusetts
3 results
Mississippi
3 results
New York (State)
3 results
South Africa
3 results
Tennessee
3 results
Washington (State)
3 results
Afghanistan
2 results
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