Region
Afghanistan
11
Africa
18
Africa, North
4
Africa, Northeast
1
Africa, Southern
2
Africa, Sub-Saharan
4
Africa, West
2
Algeria
2
America
3
Appalachian Region
1
Arab countries
8
Asia
16
Asia, Central
1
Australia
2
Azad Kashmir
1
Azad Kashmir (Pakistan)
1
Balkan Peninsula
1
Bosnia and Herzegovina
1
Brazil
14
Brazil, Northeast
1
Bulgaria
2
Burma
3
Burundi
1
California
2
Cambodia
1
Canada
7
Caribbean Area
4
Chechni︠a︡ (Russia)
3
Chile
3
China
103
Colombia
1
Congo (Democratic Republic)
2
Crimea (Ukraine)
1
Cuba
8
Czechoslovakia
2
Deregulation
1
Developing countries
72
EE.UU
1
East Asia
11
Ecuador
1
Egypt
6
Estados Unidos
1
Etats-Unis
2
Ethiopia
1
Europa
1
Europe
41
Europe, Central
2
Europe, Eastern
6
European Economic Community countries
9
European Union countries
24
more ...