Region
United States
150
China
4
Great Britain
4
Russia (Federation)
4
Developing countries
3
Europe
3
Florida
3
Latin America
3
Asia
2
Colorado
2
European Union countries
2
Everglades
2
Soviet Union
2
Brazil
1
Canada
1
Florida Keys
1
Germany
1
Gulf States
1
Illinois
1
Italy
1
Japan
1
Malaysia
1
Mediterranean Region
1
New York
1
New York (State)
1
Oregon
1
Pacific Area
1
Scandinavia
1
Sun
1
Sweden
1
Texas
1
U.S. states
1