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