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Rank | Countries/Territories | Count | Percent |
1 | United States | 250 | 34.1% |
2 | China | 238 | 32.5% |
3 | Germany | 135 | 18.4% |
4 | France | 40 | 5.5% |
5 | Singapore | 13 | 1.8% |
6 | Japan | 11 | 1.5% |
7 | Korea, Republic of | 6 | 0.8% |
8 | Netherlands | 5 | 0.7% |
9 | Switzerland | 4 | 0.5% |
10 | Denmark | 4 | 0.5% |
11 | Indonesia | 3 | 0.4% |
12 | Cyprus | 3 | 0.4% |
13 | Argentina | 3 | 0.4% |
14 | Italy | 3 | 0.4% |
15 | Turkey | 2 | 0.3% |
16 | Australia | 2 | 0.3% |
17 | Canada | 2 | 0.3% |
18 | Ireland | 2 | 0.3% |
19 | Egypt | 2 | 0.3% |
20 | Russia | 2 | 0.3% |
21 | Ukraine | 1 | 0.1% |
22 | United Kingdom | 1 | 0.1% |
23 | Mongolia | 1 | 0.1% |
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