Region
Africa, North
1
Africa, Sub-Saharan
1
Alberta
1
Asia
8
Asia, Central
1
Australia
1
Austria
3
BRIC countries
1
Balkan Peninsula
1
Bulgaria
1
Canada
3
Caribbean Area
1
Caucasus
1
Central America
1
China
4
Colombia
2
Communist countries
1
Connecticut
1
Detroit (Mich.)
1
Developed countries
3
Developing countries
8
East Asia
1
England
1
Etats-Unis
1
Europe
9
Europe, Central
1
Europe, Eastern
3
European Union countries
5
Germany
5
Germany (West)
1
Ghana
1
Great Britain
4
Islamic countries
2
Kazakhstan
1
Massachusetts
1
Mexico
1
Middle East
1
New Jersey
1
New York (N.Y.)
1
New York Metropolitan Area
1
North Dakota
1
Poland
2
South Africa
1
Soviet Union
1
Spain
2
Sweden
2
United States
151
Wall Street (New York, N.Y.)
1