Region
United States
7
Malaysia
4
United States --
4
Australia
3
China
2
England
2
England --
2
Great Britain
2
Great Britain --
2
Soviet Union --
2
Asia --
1
Asia, Southeastern --
1
China --
1
Nova Scotia
1
Papua New Guinea
1
Russia (Federation)
1
Russia (Federation) --
1
Saudi Arabia
1
Somalia
1
Somalia --
1
South Africa
1
Soviet Union
1