Region
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Boston (Mass.)
4
Brazil
18
Bristol
1
Bristol (England)
1
British Indian Ocean Territory
1
Brooklyn (New York, N.Y.)
1
Burkina Faso
5
Burma
16
Cairo
1
California
19
Cambodia
12
Cameroon
4
Cameroun
1
Canada
9
Canada, Northern
2
Caribbean Area
41
Catalonia (Spain)
1
Central African Republic
3
Central America
1
Chad
2
Charleston (S.C.)
1
Chechni︠a︡ (Russia)
2
Chiapas (Mexico)
2
Chicago (Ill.)
1
Chile
21
China
66
Chuuk (Micronesia)
1
Cizre
1
Cizre (Turkey)
1
Clarkston
1
Clarkston (Ga.)
1
Cleveland
1
Cleveland (Ohio)
1
Colombia
7
Colorado
2
Congo (Democratic Republic)
14
Costa Rica
2
Cuba
20
Czech Republic
1
Czechoslovakia
1
Côte d'Ivoire
2
Darfur
2
Darfur (Sudan)
2
Denmark
2
Detroit
1
Detroit (Mich.)
3
Dominica
3
Dominican Republic
3
Doña Ana Mountains (Chile)
1
Economic conditions
1
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