Geography
United States
998 results
Texas
272 results
Sahel
69 results
Burkina Faso
66 results
Senegal
63 results
Developing countries
54 results
England
39 results
Niger
39 results
Nigeria
39 results
Mali
33 results
Louisiana
30 results
Pennsylvania
30 results
South Carolina
28 results
Brazil
27 results
Kenya
24 results
Mexico
24 results
Southern States
24 results
Tanzania
24 results
Indiana
21 results
North Carolina
21 results
Europe
20 results
Philippines
20 results
Thailand
20 results
Tennessee
19 results
California
18 results
Delaware
18 results
Indonesia
18 results
Michigan
18 results
New Mexico
17 results
China
16 results
Great Britain
15 results
New Jersey
15 results
Canada
14 results
India
14 results
Arizona
13 results
Florida
13 results
Soviet Union
13 results
College Station
12 results
European Economic Community countries
12 results
Virginia
12 results
Iowa
10 results
Minnesota
10 results
Nebraska
10 results
New York (State)
10 results
Sine-Saloum Region
10 results
South Dakota
10 results
Sudan
10 results
Africa
9 results
Alabama
9 results
Massachusetts
9 results
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