Region
United States
1,094
États-Unis
248
Great Britain
106
Grande-Bretagne
70
California
69
Pennsylvania
60
New York (State)
47
New York
38
China
30
Californie
26
India
25
Japan
25
France
23
New Jersey
23
États-Unis
23
Texas
17
Ohio
15
Berkeley
13
Developing countries
13
Iowa
13
Philadelphia
13
San Francisco
13
Southern States
12
Virginia
12
Illinois
11
Canada
10
England
10
Mexico
10
New York (État)
10
Riceville
10
Blacksburg
9
Italy
9
Kentucky
9
Maryland
9
Mississippi
9
Tennessee
9
Los Angeles
8
Massachusetts
8
Connecticut
7
Germany
7
Kent
7
Louisiana
7
Soviet Union
7
USA
7
Alabama
6
Baltimore
6
Berkeley (Calif.)
6
Dehra Dūn
6
Newark
6
Washington (State)
6
more ...