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Rank | Countries/Territories | Count | Percent |
1 | China | 168 | 54.4% |
2 | United States | 88 | 28.5% |
3 | Japan | 13 | 4.2% |
4 | Singapore | 9 | 2.9% |
5 | Bulgaria | 5 | 1.6% |
6 | Ireland | 5 | 1.6% |
7 | France | 3 | 1% |
8 | Germany | 3 | 1% |
9 | Hong Kong | 3 | 1% |
10 | Iran, Islamic Republic of | 2 | 0.6% |
11 | Korea, Republic of | 2 | 0.6% |
12 | Portugal | 2 | 0.6% |
13 | Latvia | 1 | 0.3% |
14 | Morocco | 1 | 0.3% |
15 | Sweden | 1 | 0.3% |
16 | Denmark | 1 | 0.3% |
17 | Argentina | 1 | 0.3% |
18 | Australia | 1 | 0.3% |
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