Region
Europe
Europe --
9
Soviet Union
3
Soviet Union --
3
United States
3
United States --
3
Arabs
1
Arabs --
1
Asia
1
Asia --
1
Asia, Southeastern
1
Asia, Southeastern --
1
France
1
France --
1
Germany
1
Germany (West)
1
Germany (West) --
1
Germany --
1
India
1
India --
1
Russia (Federation)
1
Russia (Federation) --
1