Region
United States
5
Soviet Union --
3
United States --
3
Australia
2
Former Soviet republics
2
Former Soviet republics --
2
Great Britain
2
Great Britain --
2
Soviet Union
2
ASEAN countries
1
Asia
1
Asia --
1
Australia --
1
Communist countries
1
Communist countries --
1
Former Soviet Republics
1
Germany (West)
1
Germany (West) --
1
India
1
India --
1
Indonesia
1
Indonesia --
1
Java - --
1
Malaysia
1
Malaysia --
1
Minnesota
1
Peru
1
Peru --
1
Sudan
1
Sudan --
1
Syria
1
Syria --
1
United States - --
1