United States - 731
Russia - 194
China - 96
Germany - 84
France - 62
Great Britain - 43
Canada - 38
Netherlands - 27
Latvia - 21
Czech Republic - 18
Sweden - 18
Italy - 14
Japan - 14
India - 13
Spain - 13
Iran - 12
Europe - 11
Ukraine - 11
Greece - 10
Ireland - 10
Moldova - 10
Luxembourg - 9
Romania - 7
Poland - 7
Singapore - 7
Vietnam - 6
Australia - 5
Norway - 4
Austria - 4
Belgium - 4
Indonesia - 4
Portugal - 3
Bulgaria - 3
Brazil - 3
Jordan - 3
Lithuania - 2
Lebanon - 2
Argentina - 2
Hungary - 2
Switzerland - 2
Finland - 2
South Africa - 2
Bangladesh - 1
Taiwan - 1
Honduras - 1
Israel - 1
Turkey - 1
Kazakhstan - 1
Uzbekistan - 1
Nigeria - 1
Tanzania - 1
Albania - 1
Belarus - 1
Iceland - 1
Philippines - 1