Region
Central America
1
Central America --
1
China --
1
Europe, Eastern
1
Europe, Eastern --
1
Germany --
1
Great Britain
1
Great Britain --
1
Indonesia --
1
Kenya
1
Kenya --
1
Korea
1
Korea --
1
Poland
1
Poland --
1
Russia (Federation) --
1
Soviet Union --
1
United States
1
United States --
1
Vietnam (Demoractic Republic) --
1
Vietnam --
1