Region
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Thailand --
3
Argentina --
2
Australia --
2
Canada --
2
Cuba
2
Europe, Western --
2
European Union countries
2
Germany (West)
2
Great Britain --
2
Iran --
2
Iraq
2
Korea (South) --
2
Malaya
2
Pacific Islands (Trust Territory) --
2
Pakistan --
2
Peru
2
Russia (Federation)
2
Russia (Federation) --
2
Singapore
2
Singapore --
2
South Asia
2
Southeast Asia
2
Soviet Union --
2
Spain
2
Spain --
2
Sumatra
2
Ukraine
2
Ukraine --
2
Africa, Sub-Saharan
1
Africa, Sub-Saharan --
1
Argentina
1
Asia, Central
1
Asia, Central --
1
Australia
1
Bangladesh
1
Bangladesh --
1
Belize
1
Belize --
1
Burma
1
Burma --
1
Cambodia
1
Cambodia --
1
Canada
1
Caribbean Area
1
Carribbean area
1
Caucasus
1
Caucasus --
1
Central America
1
Central America --
1
Chile
1
more ...