Region
United States
4,937
Great Britain
460
China
360
Europe
279
Colorado
200
Developing countries
182
Germany
162
Japan
145
India
137
France
131
England
123
California
104
Asia
98
Africa
89
Australia
85
European Union countries
85
Latin America
82
Utah
78
Canada
66
Mexico
66
Nevada
64
Europe, Eastern
63
Russia (Federation)
63
Soviet Union
63
Germany (West)
61
North America
57
Italy
48
Wyoming
48
Earth (Planet)
45
Tropics
44
Middle East
43
Alaska
41
Iowa
39
New York (State)
38
Brazil
36
Pacific Area
36
West (U.S.)
35
New Mexico
34
Russia
34
Southern States
34
Israel
33
Turkey
32
Africa, Sub-Saharan
29
Arizona
29
Ireland
29
Southeast Asia
29
East Asia
28
Spain
28
Massachusetts
27
South Africa
27
more ...