Region
United States
1,166
Pennsylvania
347
États-Unis
122
Great Britain
101
Canada
42
New York (State)
33
Southern States
24
China
17
Soviet Union
17
Africa
16
California
16
Massachusetts
16
Middle East
16
New England
15
New York
15
Philadelphia (Pa.)
15
Europe, Eastern
14
Asia
13
America
12
New York (N.Y.)
12
Europe
11
France
11
Latin America
11
North America
11
West (U.S.)
11
England
10
Ohio
10
Developing countries
9
Boston (Mass.)
8
Philadelphia County (Pa.)
8
USA
8
Virginia
8
Australia
7
Etats-Unis d'Amérique
7
Former Soviet republics
7
India
7
Germany
6
Grande-Bretagne
6
New York County (N.Y.)
6
Philadelphia
6
South Africa
6
West United States
6
7.150
5
East Asia
5
Etats-Unis
5
Illinois
5
Italy
5
Japan
5
�Etats-Unis
4
Asie
4
more ...