Subject Region
United States
854
Great Britain
230
European Union countries
113
Europe
109
Canada
98
Latin America
86
China
81
Developing countries
71
Germany
52
Mexico
52
India
37
Australia
33
France
33
America Latina
31
Africa
30
Asia
29
Chile
27
Argentina
24
Japan
24
Brazil
23
Europe, Eastern
22
Scandinavia
22
Soviet Union
18
Hungary
17
New York (State)
17
Netherlands
16
Peru
16
Spain
16
Québec (Province)
15
Sweden
15
East Asia
14
Ecuador
14
Germany (East)
13
Espana
12
Middle East
12
New York (N.Y.)
11
New Zealand
11
Colombia
10
England
10
European Economic Community countries
10
Cuba
9
Europe, Central
9
Indonesia
9
New York
9
California
8
Caribbean Area
8
Czech Republic
8
Los Angeles (Calif.)
8
Ontario
8
Russia (Federation)
8
more ...