Region
United States
581
Japan
15
Switzerland
12
Hungary
11
France
10
Denmark
8
Germany
8
Mexico
7
Netherlands
7
Poland
7
Canada
6
Luxembourg
6
Spain
6
Barbados
5
Sweden
5
Australia
4
Bangladesh
4
Belgium
4
Bulgaria
4
Chile
4
Colorado
4
Estonia
4
Finland
4
Ireland
4
Kazakhstan
4
Sri Lanka
4
Czech Republic
3
Indonesia
3
Israel
3
Italy
3
Latvia
3
Lithuania
3
Ukraine
3
Austria
2
China
2
Great Britain
2
Iceland
2
Malta
2
New Zealand
2
Portugal
2
Slovakia
2
Slovenia
2
South Africa
2
Thailand
2
Turkey
2
Venezuela
2
Africa
1
Alaska
1
Arctic National Wildlife Refuge
1
Ecuador
1
more ...