Region
Europe
Europe --
22
United States --
15
United States
13
North America --
2
Russia (Federation)
2
Russia (Federation) --
2
Soviet Union
2
Soviet Union --
2
Balkan Peninsula
1
Balkan Peninsula --
1
Bosnia ans Hercegovina
1
Canada
1
Developing countries
1
Developing countries --
1
East Asia --
1
Europe - --
1
Europe, Southern
1
Europe, Southern --
1
European Union Countries --
1
Great Britain
1
Japan
1
Japan --
1
Kosovo (Serbia)
1
Kosovo (Serbia) --
1
North America
1
North Atlantic Treaty Organization --
1
Russia
1
Russia --
1
Serbia and Montenegro --
1
Turkey
1
Turkey --
1
United States - --
1