Region
United States --
United States
16
Europe --
15
Europe
12
Soviet Union
4
Soviet Union --
4
Europe, Eastern
3
Europe, Eastern --
3
Middle East
2
Middle East --
2
1989-
1
2001-
1
Canada
1
Islamic countries
1
Islamic countries --
1
Latin America
1
Latin America --
1
Lebanon --
1
Russia
1
Russia (Federation)
1
Russia (Federation) --
1
Russia --
1