Region
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Mongolia
1
Moravia
1
Netherlands
1
New York (State)
1
New Zealand
1
Nigeria
1
North Sea
1
OECD countries
1
Ohio
1
Ontario, Northern
1
Peru
1
Philippines
1
Plered (Indonesia)
1
Poland
1
Portugal
1
Princeton <NJ, 1993>
1
Prussia (Germany)
1
Puerto Rico
1
Québec (Province)
1
Québec (Province)
1
Saudi Arabia
1
Scandinavia
1
Senegal
1
Shanghai
1
Shanghai (China)
1
Southern States
1
Syria
1
Tennessee
1
Texas
1
Trinidad and Tobago
1
United Arab Emirates
1
United states
1
Venezuela
1
Vietnam
1
Western countries
1
Yugoslavia
1