Region
China
6
China --
5
Developing countries
3
Africa, Sub-Saharan
2
India
2
Korea (North)
2
Korea (North) --
2
Syria
2
Syria --
2
United States
2
Vietnam
2
Vietnam --
2
ASEAN countries
1
ASEAN countries --
1
Africa
1
Algeria
1
Andes Region
1
Andes Region --
1
Asia
1
Asia, Southeastern
1
China-Congresses
1
Communist countries
1
Congresses
1
Developing countries --
1
East Asia
1
East Asia --
1
Egypt
1
Egypt --
1
Europe, Eastern
1
European Union countries
1
Guatemala
1
Hungary
1
Iran
1
Korea (South)
1
Laos
1
Laos --
1
Latin America
1
Malaysia
1
Mexico
1
Mexico --
1
Near East
1
Near East --
1
Nigeria
1
Northern Ireland
1
Philippines
1
South Africa
1
Soviet Union
1
Turkey
1
Zimbabwe
1
Zimbabwe --
1