Region
United States
1,054
China
430
North Carolina
245
Japan
237
Canada
202
France
168
Brazil
159
India
159
Russia (Federation)
154
Europe
152
Indonesia
149
Spain
144
Nigeria
138
Germany
135
Great Britain
115
Mexico
114
Australia
102
Soviet Union
98
California
97
Poland
96
Africa
90
Argentina
88
Italy
84
Korea (South)
79
Latin America
78
Turkey
78
Arctic regions
72
South Africa
68
New Hampshire
67
Asia
66
New York (State)
66
Switzerland
62
Peru
56
Romania
56
Antarctica
55
Hanover
52
Polar regions
51
Colombia
48
Pennsylvania
47
Chapel Hill
46
Korea
45
Oceania
45
Arctic Regions
44
Hungary
43
Israel
43
Russia
43
Philippines
42
Pacific Ocean
38
Portugal
38
Taiwan
37
more ...