Region
Africa
1
Asia
6
Asia, Central
1
Balkan Peninsula
2
Baltic States
1
Bulgaria
1
China
10
Communist countries
2
Czech Republic
1
Czechoslovakia
1
Developing countries
1
East Asia
2
Europe
2
Europe, Central
25
Europe, Eastern
209
Europe, Western
1
European Union countries
2
Former Soviet republics
36
Former communist countries
6
Germany
2
Germany (East)
2
Hungary
2
Latin America
2
Poland
2
Post-communism
1
Romania
2
Russia (Federation)
12
Southeast Asia
1
Soviet Union
4
Yugoslavia
1