Region
United States
6
South Africa
2
South Africa --
2
Sri Lanka
2
United States --
2
Georgia
1
Indonesia
1
Indonesia --
1
Kenya
1
Korea (South)
1
Philippines
1
Philippines --
1
Soviet Union
1
Soviet Union --
1
Sri Lanka --
1
United Arab Emirates
1
United Arab Emirates --
1
United State
1
Unites States
1
Vietnam
1
Yugoslavia
1
Yugoslavia --
1