Region
United States
9
Australia
6
Great Britain
6
Developing countries
3
Southern States
3
Austria
2
Canada
2
Europe
2
India
2
Kentucky
2
Africa
1
Afrique du Sud
1
Australie
1
Bombay
1
Bombay (India)
1
Chile
1
China
1
Economics
1
Europe, Eastern
1
Finland
1
Great Britian
1
Italy
1
Japan
1
Latin America
1
Malaysia
1
Mexico
1
New Zealand
1
Northeastern States
1
Osteuropa
1
Pacific Area
1
Pacifique, Région du
1
Singapore
1
South Africa
1
Turkey
1