Region
United States
2,240
États-Unis
245
New Jersey
231
Pennsylvania
166
Canada
158
Great Britain
89
West Virginia
60
Japan
48
California
45
Colorado
41
Europe
41
New York (State)
40
China
38
Illinois
33
Australia
30
New Mexico
29
Germany
27
Philadelphia
27
Ontario
24
Maryland
22
Idaho
21
Washington (State)
21
Ohio
20
Virginia
20
Alaska
19
Nevada
19
North America
19
European Union countries
18
Outer space
18
Virginie-Occidentale
18
Delaware
17
Great Lakes (North America)
17
Kentucky
17
West (U.S.)
17
India
16
Missouri
15
Georgia
14
Michigan
14
Montana
14
New York
14
Brazil
13
Delaware River (N.Y.-Del. and N.J.)
13
Developing countries
13
Iowa
13
Massachusetts
13
Northwest, Pacific
13
Grande-Bretagne
12
Middle Atlantic States
12
North Dakota
12
Pittsburgh
12
more ...