United States 326
Russian Federation 101
United Kingdom 37
India 31
Canada 29
Germany 11
European Union 9
Portugal 8
Netherlands 7
Ukraine 7
Korea, Republic of 4
Pakistan 4
Lithuania 3
Spain 3
Singapore 3
Viet Nam 2
New Zealand 2
Australia 2
Thailand 2
Venezuela, Bolivarian Republic of 2
Czech Republic 2
Malta 2
Greece 2
Algeria 1
Bermuda 1
Egypt 1
Ireland 1
Philippines 1
Indonesia 1
Peru 1
Kazakhstan 1
Finland 1
Jordan 1
Poland 1
Israel 1
Italy 1
Austria 1
Morocco 1
Seychelles 1
China 1