Region
United States
49
Asia
7
Europe
7
Developing countries
6
Great Britain
4
India
4
Africa
3
China
3
European Union countries
3
Russia (Federation)
3
Africa, West
2
Australia
2
Brazil
2
Canada
2
Caribbean Area
2
Colombia
2
Germany
2
Latin America
2
Pacific Area
2
Southeast Asia
2
Africa, Sub-Saharan
1
Afrique
1
Costa Rica
1
Cuba
1
England
1
England, South East
1
Finland
1
Indiana
1
Japan
1
Kenya
1
London
1
Mardin
1
Mekong River Region
1
Nigeria
1
Peru
1
Poland
1
Sweden
1
Turkey
1