Subject Region
United States
256
Great Britain
65
England
43
China
42
West (U.S.)
38
California
37
Australia
33
Africa
32
New York (State)
24
New York
22
Europe
21
Pennsylvania
21
India
19
Mexico
17
Developing countries
14
South Africa
13
Hong Kong
11
Italy
11
Scotland
11
Zimbabwe
11
Colombia
10
Los Angeles
10
Israel
9
Los Angeles (Calif.)
9
San Francisco Bay Area
9
Spain
9
Tanzania
9
Tropics
9
Espana
8
Ireland
8
Latin America
8
Middle East
8
Ontario
8
Rome
8
Southern States
8
Asia
7
Canada
7
Ghana
7
Indonesia
7
Kenya
7
Northampton County
7
Texas
7
European Union countries
6
Florida
6
Japan
6
Lehigh County
6
Québec (Province)
6
Africa, East
5
Africa, Sub-Saharan
5
Arizona
5
more ...