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Rank | Countries/Territories | Count | Percent |
1 | United States | 539 | 50.3% |
2 | China | 267 | 24.9% |
3 | Germany | 125 | 11.7% |
4 | Netherlands | 16 | 1.5% |
5 | Switzerland | 15 | 1.4% |
6 | Singapore | 13 | 1.2% |
7 | Japan | 12 | 1.1% |
8 | France | 12 | 1.1% |
9 | United Kingdom | 10 | 0.9% |
10 | Canada | 8 | 0.7% |
11 | Ireland | 5 | 0.5% |
12 | Israel | 4 | 0.4% |
13 | Korea, Republic of | 4 | 0.4% |
14 | Mongolia | 4 | 0.4% |
15 | Cyprus | 4 | 0.4% |
16 | Argentina | 4 | 0.4% |
17 | Iran, Islamic Republic of | 4 | 0.4% |
18 | Norway | 3 | 0.3% |
19 | Philippines | 3 | 0.3% |
20 | Taiwan | 3 | 0.3% |
21 | Australia | 3 | 0.3% |
22 | Austria | 3 | 0.3% |
23 | New Zealand | 2 | 0.2% |
24 | India | 2 | 0.2% |
25 | Thailand | 2 | 0.2% |
26 | Ukraine | 2 | 0.2% |
27 | Russia | 1 | 0.1% |
28 | Bulgaria | 1 | 0.1% |
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