Region
United States
664
États-Unis
182
Great Britain
147
China
82
India
75
Germany
60
Canada
54
USA
48
Taiwan
34
Japan
32
Soviet Union
32
Arab countries
30
Australia
30
Latin America
26
Russia (Federation)
26
Developing countries
25
Poland
25
Pennsylvania
24
Italy
23
Pakistan
23
Grande-Bretagne
22
France
20
Germany (West)
19
Turkey
19
Europe
17
Estados Unidos
16
Africa
15
Etats-Unis
14
South Africa
14
Saudi Arabia
13
California
12
Romania
12
Brazil
11
Bulgaria
11
Russia
11
Asia
10
Spain
10
Austria
9
Lithuania
9
New York (State)
9
États-Unis
9
Argentina
8
Mexico
8
New Jersey
8
West Virginia
8
Africa, Sub-Saharan
7
Denmark
7
Egypt
7
England
7
Kenya
7
more ...