Region
Developing countries --
6
Malaysia --
4
Asia --
3
European Economic Community countries --
3
Singapore --
3
United States --
3
Albania --
2
Asia
2
Asia, Southeastern
2
Asia, Southeastern --
2
Azerbaijan --
2
Developing countries
2
East Asia
2
East Asia --
2
Europe --
2
India --
2
Laos --
2
Nepal --
2
Pacific Area --
2
Poland --
2
United States
2
Albania
1
Amazon River Region
1
Amazon River Region --
1
Arab countries --
1
Australia
1
Australia --
1
Australian
1
Azerbaijan
1
Belarus
1
Belarus --
1
Brazil
1
Communist countries --
1
European Economic Community countries
1
Georgia
1
Georgia --
1
Great Britain --
1
Iran
1
Iran --
1
Islamic countries --
1
Korea --
1
Latvia
1
Latvia --
1
Malaysia
1
Moldova
1
Moldova --
1
Nepal
1
Nigeria --
1
Pacific area
1
Pacific area --
1
more ...