Region
Former communist countries
83
Europe, Eastern
23
Former Soviet republics
8
Europe
7
Communist countries
6
United States
4
Asia
3
Europe, Central
3
European Union countries
3
Russia
3
Developing countries
2
Russia (Federation)
2
Budapest
1
Bulgaria
1
China
1
Croatia
1
Czech Republic
1
Germany (East)
1
Hungary
1
Kazakhstan
1
Latvia
1
Poland
1
Romania
1
Slovakia
1