Region
United States
695
Canada
39
Europe
30
Great Britain
30
Russia (Federation)
26
China
25
Japan
21
États-Unis
20
India
19
European Union countries
17
États-Unis
17
Israel
16
North Carolina
16
Australia
15
California
15
Developing countries
15
Austria
14
Germany
14
Soviet Union
11
Korea (South)
10
France
9
Germany (West)
9
Arab countries
8
Brazil
8
Hungary
8
Mexico
8
New York (State)
8
Pakistan
8
Colombia
6
Italy
6
OECD countries
6
European Economic Community countries
5
Latin America
5
New Jersey
5
New York
5
Nigeria
5
Ohio
5
Pacific Area
5
Philippines
5
Poland
5
Russia
5
South Africa
5
Spain
5
Thailand
5
Turkey
5
USA
5
Africa
4
Argentina
4
England
4
Finland
4
more ...