Region
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Asia --
3
Asia, Southeastern
3
Cuba
3
Developing countries --
3
Germany (West) --
3
Indonesia
3
Indonesia --
3
Korea
3
Lebanon
3
Nigeria --
3
Pakistan
3
Singapore --
3
United states --
3
Africa --
2
Africa, Sub-Saharan
2
Algeria --
2
Argentina
2
Asia
2
Asia, Central --
2
Asia, Southeastern --
2
Australia --
2
Burma
2
Canada
2
Cuba --
2
Cyprus
2
Developing countries
2
Eritrea (Ethiopia) --
2
Germany (East) --
2
Hungary
2
Hungary --
2
Indochina --
2
Iran
2
Korea (South) --
2
Korea --
2
Malaysia
2
Malaysia --
2
New Zealand --
2
Nigeria
2
Ottoman Empire, 1288-1918
2
Pakistan --
2
Poland
2
Romania
2
Sarawak --
2
Singapore
2
Southern States
2
Southern States --
2
Spain --
2
Taiwan
2
Zimbabwe
2
Africa, French --
1
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