Region
United States
549
États-Unis
119
Great Britain
53
Pennsylvania
50
Canada
40
Africa
32
Soviet Union
29
Europe
25
New York (State)
21
Asia
18
Australia
16
California
16
Latin America
15
Europe, Eastern
13
Massachusetts
13
China
12
Eastern Europe
12
France
12
Japan
12
Middle East
12
European Economic Community countries
11
England
10
USA
10
Developing countries
9
Germany
9
Southern States
9
Spain
9
Illinois
8
Ohio
8
Grande-Bretagne
7
Philadelphia
7
Connecticut
6
East Asia
6
Former Soviet republics
6
Indiana
6
Italy
6
Michigan
6
New Zealand
6
South Africa
6
Afrique
5
America
5
Austria
5
Etats-Unis d'Amérique
5
European Union countries
5
Greece
5
Russia (Federation)
5
Texas
5
Commonwealth countries
4
Communist countries
4
Georgia
4
more ...