Region
United States --
6
United States
5
Great Britain --
2
Afghanistan
1
America
1
Bolivia --
1
Commonwealth countries --
1
East and West
1
Great Britain
1
Malaysia
1
Malaysia --
1
Oruro
1
Oruro (Bolivia) --
1
Peru --
1
Russia
1
Russia (Federation) --
1
Singapore
1
Singapore --
1
South Africa
1
South Africa --
1
Soviet Union --
1
Unites States
1
Yugoslavia --
1