2021 | 2020 | 2019 | 2018 | 2017 | 2016 | ||||||
USA | 321 | China | 18,758 | China | 322,140 | China | 258,318 | China | 156,232 | China | 64,877 |
China | 193 | Korea | 10,955 | Korea | 117,265 | Korea | 146,305 | Korea | 87,519 | Korea | 43,115 |
India | 74 | USA | 5,755 | Japan | 32,281 | Taiwan | 33,806 | USA | 23,706 | USA | 23,740 |
United Kingdom | 52 | France | 3,940 | Taiwan | 31,391 | USA | 33,713 | Taiwan | 23,571 | France | 13,111 |
Spain | 50 | Taiwan | 2,934 | USA | 29,895 | France | 16,166 | France | 15,726 | Japan | 11,421 |
Germany | 49 | Germany | 2,288 | France | 14,236 | Germany | 13,932 | Germany | 14,038 | Germany | 11,029 |
Japan | 48 | Japan | 2,194 | Germany | 11,896 | Japan | 13,496 | Japan | 13,523 | Taiwan | 8,998 |
Taiwan | 40 | United Kingdom | 2,085 | Hongkong | 11,805 | Australia | 11,879 | Australia | 9,680 | Australia | 8,078 |
Australia | 33 | Russia | 1,471 | Canada | 9,264 | United Kingdom | 11,039 | United Kingdom | 8,563 | United Kingdom | 7,287 |
Korea | 32 | Spain | 1,276 | United Kingdom | 8,752 | Canada | 8,122 | Canada | 6,833 | Canada | 5,708 |
2015 | 2014 | 2013 | 2012 | 2011 | 2010 | ||||||
Korea | 51,592 | Korea | 32,334 | Korea | 21,349 | China | 22,150 | China | 26,657 | China | 20,883 |
China | 42,387 | China | 28,080 | China | 21,253 | Taiwan | 20,933 | Taiwan | 13,510 | Taiwan | 13,778 |
USA | 18,765 | USA | 13,472 | USA | 9,964 | Korea | 13,848 | Korea | 9,676 | Korea | 9,608 |
France | 9,553 | Japan | 8,090 | Japan | 5,397 | USA | 10,664 | USA | 9,240 | USA | 9,319 |
Japan | 9,385 | Germany | 6,514 | Taiwan | 5,324 | Japan | 5,031 | Japan | 4,900 | Japan | 6,225 |
Germany | 8,204 | France | 5,451 | Germany | 4,539 | Germany | 3,731 | Germany | 4,035 | Hongkong | 6,098 |
United Kingdom | 7,161 | Australia | 5,262 | France | 4,199 | Australia | 3,051 | Australia | 3,026 | Germany | 3,873 |
Australia | 6,165 | Russia | 5,252 | Australia | 3,736 | France | 2,576 | Canada | 2,458 | Canada | 2,820 |
Russia | 4,640 | Taiwan | 4,580 | Russia | 2,659 | Canada | 2,154 | France | 2,348 | Australia | 2,632 |
Canada | 4,544 | United Kingdom | 4,287 | Canada | 2,386 | Singapore | 1,890 | Hongkong | 2,141 | France | 2,393 |