Region
Europe, Eastern
33
Japan
11
Former Soviet republics
6
Poland
5
Europe
4
Europe, Central
4
Hungary
4
Czechoslovakia
3
Czech Republic
2
Latin America
2
Russia (Federation)
2
United States
2
1989-
1
Africa
1
Asia
1
Balkan Peninsula
1
Central Europe
1
East Asia
1
Eastern Europe
1
Europe Union countries
1
European Economic Community
1
European Economic Community countries
1
European Union countries
1
Romania
1
Soviet Union
1