Region
Netherlands
16
Soviet Union
8
Belgium
4
France
4
India
4
United States
4
Austria
3
Germany
3
Russia
3
China
2
Don River Valley (Russia)
2
Nevada
2
New York
2
New York (State)
2
Pays-Bas
2
Atlanta
1
Atlanta (Ga.)
1
Belgique
1
Brazil
1
Don River Valley
1
England
1
Europe
1
États-Unis
1
Georgia
1
Great Britain
1
Istanbul
1
Istanbul (Turkey)
1
London
1
Ohio
1
Russia (Federation)
1
Shanghai
1
Turkey
1
URSS
1
Viena
1
Vienna
1
Vienna (Austria)
1