United States 3,641
Russian Federation 2,746
India 678
Pakistan 368
Canada 349
United Kingdom 297
Indonesia 173
Germany 150
Australia 141
Saudi Arabia 124
Philippines 80
Brazil 77
European Union 75
Poland 73
Malaysia 68
France 63
Italy 62
South Africa 62
Netherlands 52
Belgium 45
Spain 41
Norway 38
Turkey 34
Singapore 33
New Zealand 32
Greece 31
Thailand 30
Czech Republic 27
Switzerland 27
Mexico 27
Portugal 27
Egypt 23
Romania 23
Sri Lanka 22
Sweden 22
Hungary 20
Hong Kong 20
Iceland 20
Slovakia 20
Argentina 19
Puerto Rico 18
Bangladesh 18
United Arab Emirates 18
Viet Nam 17
Korea, Republic of 16
Colombia 16
Israel 16
Venezuela, Bolivarian Republic of 15
Ukraine 15
Japan 14
Denmark 14
Taiwan, Province of China 14
Austria 13
Bulgaria 13
Ireland 12
Croatia 11
Morocco 10
Slovenia 10
Finland 10
Serbia 9
Nigeria 9
Chile 9
Peru 7
Iraq 7
Algeria 6
Kuwait 6
China 6
Bolivia, Plurinational State of 5
Cambodia 5
Ecuador 4
Bahamas 4
Mongolia 4
Estonia 4
Tunisia 4
Lebanon 4
Mauritius 4
Namibia 3
Dominican Republic 3
Uganda 3
Panama 3
Lithuania 3
Myanmar 3
Kazakhstan 3
Macedonia, The Former Yugoslav Republic of 3
Albania 3
El Salvador 3
Sudan 3
Guatemala 3
Nepal 3
Trinidad and Tobago 2
Malta 2
Lao People's Democratic Republic 2
Luxembourg 2
Georgia 2
Iran, Islamic Republic of 2
Ghana 2
Qatar 2
Oman 2
Afghanistan 2
Suriname 2
New Caledonia 1
Vanuatu 1
Kenya 1
Seychelles 1
Senegal 1
Bermuda 1
Micronesia, Federated States of 1
Martinique 1
Costa Rica 1
Brunei Darussalam 1
French Guiana 1
Aruba 1
Armenia 1
Barbados 1
Ethiopia 1
Madagascar 1
Azerbaijan 1
Jersey 1
Bhutan 1
Jamaica 1
Tanzania, United Republic of 1
Guyana 1
Moldova, Republic of 1
Latvia 1
Haiti 1
Malawi 1
Mozambique 1
Cameroon 1
Cuba 1
Faroe Islands 1
Isle of Man 1
Belarus 1
Yemen 1
Guadeloupe 1
Cyprus 1
Maldives 1
Uruguay 1