क्षेत्र
Africa
5
Africa, Central
1
Akron
1
Austria
1
Belgium
1
Bibliography
1
Brazil
4
Canada
3
Central America
2
Chiapas (Mexico)
1
Chicago
3
Chicago (Ill.)
1
China
8
Christchurch
1
Colombia
1
Costa Rica
1
Cuba
1
Developing countries
3
Europe
1
France
9
Germany
5
Hong Kong
8
Hong Kong (China)
1
Illinois
3
Indiana
1
Ireland
1
Italy
5
Latin America
7
Mato Grosso (Brazil : State)
1
Mato Grosso (State)
1
Mexico
2
Middle West
1
New York
3
New York (N.Y.)
2
New York (State)
3
New Zealand
1
Northern Ireland
1
Ohio
1
Oregon
1
Panama Canal (Panama)
1
Paraguay
1
Peru
1
Prince Edward Island
1
San Cristóbal de Las Casas Region (Mexico)
1
United States
92
Washington
1
Zimbabwe
1