Region
United States --
19
United States
8
Great Britain --
3
Malaysia
3
China
2
China --
2
Malaysia --
2
Soviet Union
2
Afghanistan
1
Africa --
1
Asia --
1
Developing countries --
1
Egypt --
1
Former communist countries --
1
India
1
India --
1
Iran --
1
Isran
1
Korea (North)
1
Korea (North) --
1
Middle East --
1
New York
1
New York(State) --
1
Societ Union --
1
Southeast Asia
1
Southeast Asia --
1
Soviet Union --
1
Western countries --
1