Region
United States
20
Europe
11
China
7
Great Britain
7
Developing countries
5
Russia (Federation)
5
India
4
East Asia
3
France
3
Latin America
3
Africa
2
Asia
2
Europe, Eastern
2
Germany
2
Japan
2
Amazon River Region
1
AmazonRiver Region
1
Bombay
1
Bombay (India)
1
Detroit (Mich.)
1
Europe, Western
1
Former Soviet republics
1
Indochina
1
Kenya
1
Massachusetts
1
Middle East
1
New York (N.Y.)
1
Scotland
1
South Africa
1
South Asia
1
Soviet Union
1
latin America
1