Region
United States
890
India
202
Canada
108
North Carolina
103
China
95
Europe
76
Germany
65
Indonesia
58
Korea (South)
51
Mexico
51
France
50
Japan
46
Great Britain
43
Australia
42
Italy
34
Nepal
33
Poland
33
Spain
31
New York (State)
30
European Union countries
29
North America
29
Pakistan
29
Peru
28
Chesapeake Bay (Md. and Va.)
26
Hungary
25
Namibia
25
California
24
Korea (North)
24
Switzerland
24
Brazil
23
Ecuador
23
Middle East
22
Pacific Area
21
Texas
21
États-Unis
21
Botswana
20
South Africa
20
Thailand
20
Africa
19
Asia
19
Bolivia
19
Developing countries
19
Israel
19
Russia (Federation)
19
Cuba
18
Dominican Republic
18
Florida
18
Hawaii
18
Colombia
17
Vietnam
17
more ...