Region
Latin America
7
Australia
4
Chile
3
Developing countries
3
Spain
3
Brazil
2
Colombia
2
Eastern Europe
2
Europe
2
Europe, Eastern
2
Poland
2
Romania
2
Southern States
2
United States
2
Australasia
1
Canada
1
Central Europe
1
Communist countries
1
Czech Republic
1
Egypt
1
Eurasia
1
Europe de l'Est
1
Europe, Central
1
États-Unis
1
États-Unis (Sud)
1
Finland
1
Grande-Bretagne
1
Great Britain
1
Hungary
1
India
1
Indonesia
1
Italy
1
Kentucky
1
New Zealand
1
Northeastern States
1
Pacific Area
1
Pakistan
1
Roumanie
1
Russie
1
Slovakia
1
Slovaquie
1
Soviet Union
1
Stany Zjednoczone
1
Turkey
1