Bölge
Allemagne
1
Allemagne (Ouest)
1
Argentina
2
Arizona
1
Asia
8
Asie
1
Asie du Sud-Est
1
Atlanta
1
Atlanta (Ga.)
1
Australia
4
Bahia (State)
1
Brazil
4
Canada
15
Chile
1
China
4
Colombia
1
Czech Republic
1
Czechoslovakia
1
Developing countries
7
Eastern Europe
2
England
1
Eurasia
1
Europe
8
Europe centrale
2
Europe orientale
2
Europe, Eastern
2
États-Unis
15
États-unis
1
Former Soviet republics
1
France
2
GRAN BRETANA
2
Georgia
1
Germany
4
Germany (West)
1
Géorgie (État)
1
Grande-Bretagne
2
Great Britain
14
Großbritannien
1
Hungary
1
India
3
Indonesia
2
Ireland
2
Islamic countries
2
Italy
3
Japan
2
Karachi (Pakistan)
1
Korea (South)
2
Latin America
3
London (England)
1
Mexico
3
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