Region
United States
289
Colorado
38
Great Britain
18
California
5
Texas
4
China
3
European Union countries
3
Germany
3
New York (State)
3
Oregon
3
Virginia
3
Africa, Sub-Saharan
2
Canada
2
Europe
2
Japan
2
Massachusetts
2
Nebraska
2
New York
2
North Carolina
2
Pacific Area
2
South Dakota
2
Arlington
1
Arlington County
1
Australia
1
Baltic States
1
Botswana
1
Bristol
1
Cambodia
1
Cecil County
1
Developing countries
1
El Paso
1
Florida
1
Franklin
1
India
1
Maryland
1
Missouri
1
Namibia
1
Napa County
1
Netherlands
1
New Zealand
1
Nicolet National Forest
1
North Island
1
Northwest, Pacific
1
Oklahoma
1
Orange County
1
Palestine
1
Pennsylvania
1
Pisgah National Forest
1
Russia (Federation)
1
Sacramento County
1
more ...