Región
7.150
1
Asia
1
Balkan Peninsula
2
China
2
EEUU
13
East Asia
1
España
1
Estados Unidos
3
Europa
1
Europa Central
1
Europa oriental
1
Europe
17
Europe, Central
3
Europe, Eastern
15
Europe, Western
1
European Union countries
3
Former Soviet republics
1
Germany
1
Great Britain
1
Japan
8
Japón
4
Latin America
1
Middle East
1
Países bálticos
1
Romania
3
Rumanía
1
Russia (Federation)
1
Soviet Union
1
Spain
1
United States
14