Region
United States
26
Great Britain
9
China
5
Czech Republic
4
Poland
4
Southern States
4
Tropics
4
West (U.S.)
4
West United States
4
États-Unis
3
Romania
3
Asia
2
Australia
2
Europe
2
France
2
Ireland
2
Italy
2
Japan
2
North America
2
Pakistan
2
Régions tropicales
2
South Africa
2
Afrique du Sud
1
Alaska
1
Amérique du Nord
1
Atlantic Ocean
1
Atlantique Nord (Océan)
1
Canada
1
Central Europe
1
Chesapeake Bay Region
1
Chesapeake Bay Region (Md. and Va.)
1
Chile
1
Colorado
1
Delta County
1
Delta County (Colo.)
1
Developing countries
1
Estonia
1
Europe, Central
1
États-Unis (Ouest)
1
Fremont County
1
Fremont County (Colo.)
1
India
1
Indonesia
1
Iraq
1
Irlande
1
Israel
1
Japon
1
Korea
1
Korea (South)
1
Lander
1
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