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Rank | Countries/Territories | Count | Percent |
1 | China | 521 | 44% |
2 | United States | 392 | 33.1% |
3 | Germany | 88 | 7.4% |
4 | Korea, Republic of | 30 | 2.5% |
5 | Russia | 30 | 2.5% |
6 | Bulgaria | 27 | 2.3% |
7 | Taiwan | 13 | 1.1% |
8 | Japan | 10 | 0.8% |
9 | Singapore | 9 | 0.8% |
10 | Netherlands | 8 | 0.7% |
11 | France | 8 | 0.7% |
12 | United Kingdom | 6 | 0.5% |
13 | Switzerland | 6 | 0.5% |
14 | Argentina | 5 | 0.4% |
15 | Australia | 5 | 0.4% |
16 | Greece | 5 | 0.4% |
17 | Cyprus | 5 | 0.4% |
18 | Philippines | 4 | 0.3% |
19 | South Africa | 3 | 0.3% |
20 | Latvia | 3 | 0.3% |
21 | Canada | 3 | 0.3% |
22 | Ireland | 2 | 0.2% |
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