Region
United States
107
Tropics
18
Africa
15
British Columbia
14
California
14
Developing countries
14
Europe
14
Canada
13
Texas
12
Wisconsin
8
Great Britain
7
Northwest, Pacific
7
China
6
India
6
Latin America
6
Middle West
6
Kenya
5
Mediterranean Region
5
Africa, Southern
4
Alaska
4
Asia
4
England
4
Gulf Coast
4
Iowa
4
Japan
4
West (U.S.)
4
Africa, Sub-Saharan
3
Africa, West
3
Amazon River Region
3
Australia
3
Greece
3
Illinois
3
Mexico
3
Middle East
3
New York (State)
3
Ontario
3
Russia (Federation)
3
Southern States
3
Africa, East
2
America
2
Arctic Coast (Alaska)
2
Bering Sea
2
Brazil
2
Cameroon
2
Colorado
2
Egypt
2
Ethiopia
2
Europe, Eastern
2
European Union countries
2
France
2
more ...