United States 1,466
China 1,146
Germany 96
Canada 94
Korea, Republic of 63
Russian Federation 58
France 20
United Kingdom 19
India 14
Hong Kong 11
Finland 11
Ireland 10
Taiwan, Province of China 10
Switzerland 9
Italy 7
Austria 7
Brazil 7
Bulgaria 5
Indonesia 5
Philippines 3
Netherlands 3
South Africa 3
Viet Nam 3
Japan 3
Turkey 3
Greece 2
Spain 2
Singapore 2
Australia 2
Estonia 1
Venezuela, Bolivarian Republic of 1
Croatia 1
Iran, Islamic Republic of 1
Belgium 1
Ukraine 1
Namibia 1
Algeria 1
Thailand 1
Mexico 1
Pakistan 1
Sweden 1
European Union 1
Malaysia 1