Region
Europe --
United States --
35
Europe
30
United States
30
Middle East
3
Middle East --
3
Soviet Union
3
Soviet Union --
3
Developing countries
2
Lebanon --
2
Russia (Federation)
2
Russia (Federation) --
2
1989-
1
2001-
1
Algeria
1
Algeria --
1
Canada
1
Canada --
1
Developing countries --
1
France
1
France --
1
Islamic countries
1
Islamic countries --
1
Russia
1
Russia --
1
United states --
1