Region
United States
113
Pennsylvania
16
États-Unis
10
Latin America
10
Massachusetts
10
Boston
9
Europe
8
France
8
Ohio River Valley
8
Great Plains
7
New York (State)
6
Southern States
6
Africa
5
America
5
Illinois
5
Ohio
5
Asia
4
Canada
4
Great Britain
4
Italy
4
Philadelphia
4
Texas
4
Australia
3
Chicago
3
Developing countries
3
Mexico
3
North America
3
Peru
3
Washington (D.C.)
3
Afrique
2
Brazil
2
California
2
Cincinnati
2
Egypt
2
Florence
2
Germany
2
Indonesia
2
Ireland
2
Japan
2
Middle Atlantic States
2
New York
2
Norway
2
Oceania
2
Quincy
2
Serbia
2
Spain
2
Switzerland
2
Westeuropa
2
Africa, Sub-Saharan
1
Alaska
1
more ...