Gebied
Africa, Sub-Saharan
1
Asia
1
Asia, Central
3
Belarus
1
Bosnia and Hercegovina
2
China
3
Developing countries
16
East Asia
3
El Salvador
1
Europe
1
Europe, Central
1
Europe, Eastern
4
Latin America
1
Malaysia
1
Papua New Guina
1
Papua New Guinea
1
Pays en voie de dveloppement
4
Russia (Federation)
2
Southeast Asia
1
Trung Quốc
1
Ukraine
1
Vietnam
1
Việt Nam
4
Đông Á
1