Region
United States
668
Developing countries
142
Great Britain
102
China
97
Japan
94
Europe
67
Latin America
43
Soviet Union
42
Asia
31
North America
28
Canada
25
Eastern Europe
25
Europe, Eastern
25
East Asia
24
Italy
23
Mexico
23
European Economic Community countries
21
India
21
France
20
Africa
18
America
17
England
15
European Union countries
15
Rome
14
Pacific Area
13
Rome (Empire)
13
South Africa
12
Southeast Asia
12
Caribbean Area
10
Communist countries
10
Middle East
10
Spain
10
Arab countries
9
Germany
9
Middle East Region
9
Netherlands
9
New York
8
New York (State)
8
Russia (Federation)
8
Brazil
7
Germany (West)
7
Hong Kong (China)
7
London
7
Philippines
7
Turkey
7
Africa, Sub-Saharan
6
Argentina
6
California
6
London (England)
6
Mediterranean Region
6
more ...