Region
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Bosnia and Herzegovina
14
Brazil
2
Buenos Aires
3
Burkina Faso
2
Burma
39
Burundi
3
California
3
Cambodia
10
Cameroon
2
Canada
2
Canal Zone
10
Caribbean Area
7
Caribbean, English-speaking
1
Caucasus, Northern
1
Caucasus, Northern (Russia)
1
Caucasus, South
1
Central African Republic
13
Central America
27
Chad
1
Chalatenango (Department)
1
Chechni͡a (Russia)
1
Chile
5
China
173
Christiansted National Historic Site (United States Virgin Islands)
2
Cleveland
2
Cleveland (Ohio)
2
Colombia
16
Communist countries
2
Congo (Democratic Republic)
31
Crimea (Ukraine)
2
Croatia
3
Cuba
55
Cyprus
5
Czechoslovakia
2
Côte d'Ivoire
11
Darfur
3
Darfur (Sudan)
3
Denmark
1
Developing countries
3
Dominican Republic
1
East Asia
9
Egypt
29
El Salvador
16
England
2
Eritrea
3
Estonia
1
Ethiopia
14
Europe
26
Europe, Central
3
Europe, Eastern
21
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