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Rank | Countries/Territories | Count | Percent |
1 | United States | 188 | 37.2% |
2 | China | 178 | 35.2% |
3 | Germany | 40 | 7.9% |
4 | Singapore | 13 | 2.6% |
5 | Bulgaria | 10 | 2% |
6 | United Kingdom | 10 | 2% |
7 | Canada | 9 | 1.8% |
8 | Cyprus | 8 | 1.6% |
9 | Australia | 7 | 1.4% |
10 | Japan | 7 | 1.4% |
11 | Korea, Republic of | 6 | 1.2% |
12 | Netherlands | 6 | 1.2% |
13 | France | 5 | 1% |
14 | Iran, Islamic Republic of | 5 | 1% |
15 | Ukraine | 4 | 0.8% |
16 | Latvia | 3 | 0.6% |
17 | Belgium | 3 | 0.6% |
18 | Turkey | 2 | 0.4% |
19 | Russia | 1 | 0.2% |
20 | Finland | 1 | 0.2% |
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