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Rank | Countries/Territories | Count | Percent |
1 | United States | 313 | 44.4% |
2 | China | 223 | 31.6% |
3 | Germany | 85 | 12.1% |
4 | Japan | 18 | 2.6% |
5 | Switzerland | 10 | 1.4% |
6 | Korea, Republic of | 9 | 1.3% |
7 | United Kingdom | 8 | 1.1% |
8 | Taiwan | 4 | 0.6% |
9 | Netherlands | 4 | 0.6% |
10 | France | 4 | 0.6% |
11 | Cyprus | 3 | 0.4% |
12 | Australia | 3 | 0.4% |
13 | Singapore | 3 | 0.4% |
14 | Spain | 3 | 0.4% |
15 | Argentina | 2 | 0.3% |
16 | South Africa | 2 | 0.3% |
17 | Pakistan | 2 | 0.3% |
18 | Saudi Arabia | 2 | 0.3% |
19 | Libya | 2 | 0.3% |
20 | Canada | 2 | 0.3% |
21 | India | 2 | 0.3% |
22 | Georgia | 1 | 0.1% |
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