Región
European Union countries
Europe
16
Turkey
4
United States
4
Africa
3
Great Britain
3
Russia (Federation)
3
Balkan Peninsula
2
Italy
2
Japan
2
Latin America
2
Mediterranean Region
2
Middle East
2
Asia, Central
1
Caribbean Area
1
China
1
Developing countries
1
Europe, Central
1
Europe, Eastern
1
Finland
1
Germany
1
Greece
1
Iceland
1
Malta
1
Pacific Area
1
Poland
1
Russia, Northwestern
1
South Africa
1
Tunisia
1