Region
United States
11,859
Great Britain
184
Southern States
157
Canada
68
China
57
Europe
50
Germany
44
Japan
40
England
34
India
31
South Africa
30
California
29
New York (State)
29
Africa
27
Mexico
26
Australia
25
Soviet Union
20
États-Unis
20
Developing countries
19
Washington (State)
19
France
16
Brazil
15
Colombia
15
Michigan
15
Spain
14
Chile
13
Latin America
13
Ontario
13
European Union countries
12
Kentucky
12
Africa, Sub-Saharan
11
Illinois
11
New Jersey
11
Pennsylvania
11
Texas
11
Asia
10
Israel
10
Denmark
9
Europe, Eastern
9
Tennessee
9
Georgia
8
Germany (West)
8
New York
8
Russia
8
Scandinavia
8
Southwestern States
8
Arab countries
7
Arizona
7
Education
7
Korea (South)
7
more ...