Región
Europe
17
Europe, Eastern
15
United States
14
Japan
8
Europe, Central
3
European Union countries
3
Romania
3
Balkan Peninsula
2
7.150
1
Asia
1
China
1
East Asia
1
España
1
Estados Unidos
1
Europa
1
Europa oriental
1
Europe, Western
1
Former Soviet republics
1
Germany
1
Great Britain
1
Latin America
1
Middle East
1
Rumanía
1
Russia (Federation)
1
Soviet Union
1
Spain
1