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Rank | Countries/Territories | Count | Percent |
1 | United States | 319 | 43.5% |
2 | China | 223 | 30.4% |
3 | Germany | 86 | 11.7% |
4 | France | 13 | 1.8% |
5 | Nigeria | 13 | 1.8% |
6 | India | 10 | 1.4% |
7 | Japan | 10 | 1.4% |
8 | Netherlands | 9 | 1.2% |
9 | Iran, Islamic Republic of | 6 | 0.8% |
10 | Canada | 5 | 0.7% |
11 | Hong Kong | 4 | 0.5% |
12 | Singapore | 4 | 0.5% |
13 | Chile | 3 | 0.4% |
14 | Cyprus | 3 | 0.4% |
15 | Italy | 3 | 0.4% |
16 | Portugal | 2 | 0.3% |
17 | Korea, Republic of | 2 | 0.3% |
18 | Australia | 2 | 0.3% |
19 | Slovakia | 2 | 0.3% |
20 | Spain | 2 | 0.3% |
21 | Taiwan | 2 | 0.3% |
22 | Thailand | 2 | 0.3% |
23 | Zambia | 2 | 0.3% |
24 | Viet Nam | 1 | 0.1% |
25 | Ukraine | 1 | 0.1% |
26 | United Kingdom | 1 | 0.1% |
27 | Denmark | 1 | 0.1% |
28 | Mongolia | 1 | 0.1% |
29 | Iraq | 1 | 0.1% |
30 | Russia | 1 | 0.1% |
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