United States 17,734
Greece 6,225
United Kingdom 2,851
Poland 2,676
France 1,833
Canada 1,792
Germany 1,716
Brazil 1,546
Italy 1,361
Australia 872
Indonesia 687
India 615
Spain 583
Netherlands 569
Mexico 566
Romania 513
Portugal 488
Belgium 442
Sweden 430
Russian Federation 426
Philippines 424
European Union 410
Turkey 359
Japan 354
Argentina 340
Thailand 323
Hungary 316
Malaysia 265
Viet Nam 239
Chile 230
Ireland 228
Switzerland 226
Serbia 220
Norway 214
Bulgaria 207
Saudi Arabia 207
Colombia 205
Czech Republic 189
South Africa 179
Pakistan 172
Finland 172
Austria 163
New Zealand 157
Korea, Republic of 150
Croatia 148
Israel 147
Egypt 139
Singapore 133
Denmark 132
Venezuela, Bolivarian Republic of 128
Ukraine 126
Slovakia 126
Taiwan, Province of China 125
United Arab Emirates 116
Lithuania 112
Cyprus 111
Bosnia and Herzegovina 94
Kuwait 93
Peru 91
Algeria 86
Albania 81
Hong Kong 73
Puerto Rico 71
Georgia 63
Latvia 61
Slovenia 60
Ecuador 53
Morocco 52
Macedonia, The Former Yugoslav Republic of 49
China 46
Iraq 45
Dominican Republic 42
Lebanon 41
Jordan 40
Tunisia 38
Moldova, Republic of 34
Iceland 33
Qatar 31
Bangladesh 30
Sri Lanka 28
Uruguay 27
Estonia 27
Belarus 27
Malta 26
Costa Rica 25
Luxembourg 24
Libyan Arab Jamahiriya 24
Jamaica 24
Nigeria 23
Guatemala 22
Trinidad and Tobago 21
Mauritius 19
Bolivia, Plurinational State of 18
Panama 18
Bahrain 18
Azerbaijan 17
Honduras 15
Armenia 14
Oman 13
Paraguay 13
El Salvador 13
Yemen 12
Nepal 11
Montenegro 11
Kazakhstan 11
Réunion 10
Nicaragua 9
Mongolia 9
Brunei Darussalam 9
Bahamas 8
Angola 8
Palestinian Territory, Occupied 7
Uganda 7
Syrian Arab Republic 7
Barbados 7
Ghana 6
New Caledonia 5
Mozambique 5
Netherlands Antilles 5
Kenya 5
Lao People's Democratic Republic 5
Isle of Man 5
Sudan 5
Maldives 5
Ethiopia 4
Bhutan 4
Guam 4
Cambodia 4
Macao 4
Suriname 3
Madagascar 3
Afghanistan 3
Tanzania, United Republic of 3
Cayman Islands 3
Zambia 3
Martinique 3
Uzbekistan 3
Belize 2
Dominica 2
Faroe Islands 2
Botswana 2
French Guiana 2
Rwanda 2
Gibraltar 2
Virgin Islands, U.S. 2
Djibouti 2
Myanmar 2
Antigua and Barbuda 2
Burkina Faso 1
Guyana 1
Benin 1
Swaziland 1
Lesotho 1
Guadeloupe 1
Cape Verde 1
Greenland 1
Andorra 1
Guinea 1
Cameroon 1
Somalia 1
Malawi 1
Grenada 1
Gambia 1
Marshall Islands 1
Kyrgyzstan 1
French Polynesia 1
Northern Mariana Islands 1
Senegal 1
Mayotte 1
Liechtenstein 1
Côte d'Ivoire 1
Iran, Islamic Republic of 1
Liberia 1
Namibia 1
Monaco 1
Aruba 1
San Marino 1
Vanuatu 1