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Rank | Countries/Territories | Count | Percent |
1 | United States | 343 | 45.7% |
2 | China | 229 | 30.5% |
3 | Germany | 68 | 9.1% |
4 | Canada | 27 | 3.6% |
5 | Singapore | 17 | 2.3% |
6 | Japan | 15 | 2% |
7 | Netherlands | 11 | 1.5% |
8 | Switzerland | 11 | 1.5% |
9 | Sweden | 10 | 1.3% |
10 | France | 4 | 0.5% |
11 | Ukraine | 3 | 0.4% |
12 | Russia | 3 | 0.4% |
13 | Australia | 3 | 0.4% |
14 | Iran, Islamic Republic of | 2 | 0.3% |
15 | Cyprus | 2 | 0.3% |
16 | Belgium | 1 | 0.1% |
17 | 1 | 0.1% | |
18 | Korea, Republic of | 1 | 0.1% |
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