Region
United States
4,423
Developing countries
42
Great Britain
35
New York (State)
23
Europe
22
China
21
Canada
17
India
17
Africa
15
Mexico
12
California
11
Illinois
11
Indonesia
11
Japan
11
Louisiana
11
New York
11
Southeast Asia
11
Texas
10
Alaska
9
Asia
9
Colombia
9
Florida
9
Germany
9
Gulf States
9
Minnesota
9
Europe, Eastern
8
Latin America
8
Maryland
8
Mexico, Gulf of
8
New Jersey
8
Colorado
7
Missouri
7
Québec (Province)
7
Korea (South)
6
Malaysia
6
Oregon
6
Pennsylvania
6
Puerto Rico
6
Africa, Sub-Saharan
5
Arkansas
5
European Union countries
5
Iowa
5
Ireland
5
Massachusetts
5
New Hampshire
5
Russia (Federation)
5
South Africa
5
Tennessee
5
Asia, Central
4
Australia
4
more ...