Subject Region
United States
24
India
8
Asia
6
Developing countries
5
Europe
5
European Union countries
5
China
3
Colombia
3
Great Britain
3
Vietnam
3
Africa, Sub-Saharan
2
Cuba
2
Europe, Eastern
2
France
2
Germany
2
Japan
2
Maharashtra
2
Middle East
2
South Africa
2
Western Cape
2
Zimbabwe
2
Africa
1
Africa, North
1
Afrika
1
Afrique noire
1
Amsterdam
1
Amsterdam (Netherlands)
1
Australia
1
Canada
1
Developing Countries
1
Ecuador
1
Eje Cafetero
1
Finland
1
Hong Kong
1
Italy
1
Korea (South)
1
Latin America
1
Malaysia
1
Nepal
1
Netherlands
1
Prussia
1
Scotland
1
Singapore
1