Region
European Union countries
United States
38
Great Britain
6
Russia (Federation)
3
China
2
Iran
2
Middle East
2
Ukraine
2
Africa
1
Africa, North
1
Belarus
1
Bosnia and Herzegovina
1
Caribbean Area
1
Croatia
1
Europe
1
France
1
Greece
1
Ireland
1
Japan
1
Latin America
1
Northern Ireland
1
Serbia and Montenegro
1
Turkey
1