Region
United States
3,056
Colorado
50
Developing countries
22
Louisiana
14
China
12
New York (State)
12
California
11
Texas
10
Gulf States
8
Illinois
8
Maryland
8
Oregon
8
Pennsylvania
8
Europe
7
Florida
7
Mexico, Gulf of
7
New Hampshire
7
New Jersey
7
Germany
6
Missouri
6
North Carolina
6
Alaska
5
European Union countries
5
Hawaii
5
Kentucky
5
Massachusetts
5
Minnesota
5
Washington (State)
5
Africa, Sub-Saharan
4
Alabama
4
India
4
Iowa
4
Japan
4
Kansas
4
Mexico
4
Ohio
4
Puerto Rico
4
Washington (D.C.)
4
Africa
3
Arizona
3
Asia
3
Canada
3
European Economic Community countries
3
Georgia
3
Haiti
3
Idaho
3
Italy
3
Michigan
3
Middle West
3
Montana
3
more ...