Region
United States
974
États-Unis
296
Southern States
186
India
152
Pennsylvania
152
Tropics
140
Northwest, Pacific
121
Great Britain
110
Europe
95
Northeastern States
92
Oregon
76
Alaska
75
Canada
69
West (U.S.)
66
Pacific Northwest
64
China
62
California
61
États-Unis (Sud)
61
North America
61
Developing countries
51
France
51
Japan
46
West Virginia
46
New Jersey
45
Mississippi
43
Soviet Union
41
West United States
40
Alabama
39
Germany
39
Australia
38
Mexico
38
British Columbia
37
Michigan
37
North Carolina
37
Régions tropicales
37
Wisconsin
37
États-Unis (Nord-Est)
36
New York (State)
35
Middle West
34
Washington (State)
34
Arkansas
33
Louisiana
32
Maine
32
Tennessee
31
Asia
30
Colorado
30
Montana
30
Puerto Rico
29
Florida
28
Minnesota
28
more ...