Region
United States
107
Brazil
36
China
32
Australia
15
Japan
15
États-Unis
14
Latin America
14
Colombia
11
Germany
10
Mexico
10
Argentina
9
Canada
9
Europe
9
Great Britain
9
Italy
8
Pennsylvania
8
Arab countries
7
France
7
Soviet Union
7
Africa
6
Developing countries
6
East Asia
6
England
6
India
6
New Jersey
6
Asia
5
California
5
Croatia
5
Georgia
5
Iowa
5
Pisa
5
Pisa (Italy)
5
Saudi Arabia
5
Tropics
5
Amazon River Valley
4
Australie
4
Cuba
4
Indonesia
4
Nicaragua
4
North Carolina
4
Romania
4
Spain
4
Turkey
4
Arizona
3
Arkansas
3
Asie
3
Ecuador
3
Ethiopia
3
Europe, Eastern
3
Germany (West)
3
more ...