Region
Afghanistan
1
Algeria
1
Angola
1
Argentina
1
Bangladesh
1
Benin
1
Bhutan
1
Bolivia
1
Brazil
1
Burkina Faso
Burma
1
Burundi
1
Cameroon
1
Central African Republic
1
Chad
1
Chile
1
China
1
Colombia
1
Comoros Islands
1
Congo (Brazzaville)
1
Congo (Democratic Republic)
1
Costa Rica
1
Côte d'Ivoire
1
Cuba
Developing countries
1
Dominican Republic
Ecuador
1
Egypt
1
El Salvador
1
Ethiopia
1
Ghana
1
Guatemala
1
Guinea
1
Haiti
1
Honduras
1
Hong Kong
1
India
1
Indonesia
1
Iran
1
Iraq
1
Jamaica
1
Jordan
1
Kenya
1
Korea (North)
1
Korea (South)
1
Laos
1
Lebanon
1
Lesotho
1
Liberia
1
Libya
1
more ...