Región
Developing countries
16
Africa
9
Asia
6
China
5
Europe
3
India
3
Africa, Sub-Saharan
2
European Union countries
2
Philippines
2
Africa, Eastern
1
Balkan Peninsula
1
Congo (Democratic Republic)
1
Earth
1
East Asia
1
Hong Kong
1
Hong Kong (China)
1
Horn of Africa
1
Iraq
1
Islamic countries
1
Latin America
1
Middle East
1
Niger River Delta
1
Niger River Delta (Nigeria)
1
Nigeria
1
Pacific Area
1
Pakistan
1
Russia (Federation)
1
South America
1
Southeast Asia
1
Soviet Union
1
Thailand
1
Timor-Leste
1
Turkey
1
United States
1
United States Virgin Islands
1