Region
United States
60
Latin America
8
China
7
Russia (Federation)
7
Japan
5
Germany
4
Malaysia
4
Canada
3
Harare (Zimbabwe)
3
Highfield (Zimbabwe)
3
New Orleans (La.)
3
New York (N.Y.)
3
Poland
3
San Francisco (Calif.)
3
Zimbabwe
3
Asia
2
Australia
2
Brazil
2
Chile
2
Middle West
2
New Zealand
2
Northeastern States
2
Singapore
2
South Africa
2
Soviet Union
2
Taiwan
2
Western countries
2
Africa
1
Andes Region
1
Argentina
1
Asie
1
Cuba
1
Developing countries
1
East Asia
1
Europe
1
France
1
Great Britain
1
India
1
Liberia
1
Mongolia
1
North Carolina
1
Pennsylvania
1
Peru
1
Philadelphia
1
Philadelphia (Pa.)
1
Tennessee, Middle
1
Turkey
1
Venezuela
1
Washington (D.C.)
1
États-Unis
1