Region
Afghanistan
1
Africa
7
Africa, Central
1
Africa, East
2
Africa, French-speaking
3
Africa, French-speaking West
2
Africa, North
4
Africa, Southern
1
Africa, Sub-Saharan
2
Africa, West
3
Albania
2
America
5
Angola
1
Arab countries
1
Arabian Peninsula
1
Argentina
10
Armenia
2
Asia
18
Asia, Central
1
Athens
1
Athens (Greece)
1
Australia
1
Austria
3
BRIC countries
2
Belarus
1
Benelux countries
1
Bosnia and Herzegovina
1
Botswana
1
Brazil
4
Byzantine Empire
1
California
1
Cambodia
3
Canada
10
Caribbean Area
2
Caucasus
1
Chile
3
China
97
Colombia
9
Communist countries
1
Confederate States of America
1
Czech Republic
1
Developing countries
36
Dominica
1
East Asia
8
Economic integration
1
Ecuador
2
Egypt
1
England
28
Estonia
1
Ethiopia
1
more ...