Region
United States
2,018
Great Britain
162
China
144
Developing countries
108
Europe
100
Japan
58
Latin America
54
India
51
Asia
49
Europe, Eastern
47
Canada
43
England
43
Africa
38
Washington (D.C.)
37
East Asia
35
France
35
Russia (Federation)
30
Germany
29
European Union countries
28
Southern States
26
Brazil
25
New York (State)
23
Mexico
22
Australia
21
South Africa
20
Texas
20
Soviet Union
19
Islamic countries
18
Massachusetts
18
California
16
Argentina
14
Georgia
14
Italy
14
Pennsylvania
14
Southeast Asia
14
Europe, Central
13
Netherlands
13
Arab countries
12
Former Soviet republics
12
Maryland
12
North America
12
Thailand
12
Africa, Sub-Saharan
11
America
11
Ireland
11
Poland
11
Washington Metropolitan Area
11
European Economic Community countries
10
Germany (West)
10
Korea
10
more ...