
Rank | Countries/Territories | Count | Percent |
1 | United States | 140 | 48.1% |
2 | Germany | 53 | 18.2% |
3 | China | 39 | 13.4% |
4 | Korea, Republic of | 13 | 4.5% |
5 | Italy | 9 | 3.1% |
6 | Netherlands | 8 | 2.7% |
7 | Russia | 6 | 2.1% |
8 | France | 5 | 1.7% |
9 | Ireland | 4 | 1.4% |
10 | Hong Kong | 2 | 0.7% |
11 | India | 2 | 0.7% |
12 | Denmark | 2 | 0.7% |
13 | Norway | 2 | 0.7% |
14 | Spain | 1 | 0.3% |
15 | Thailand | 1 | 0.3% |
16 | Ukraine | 1 | 0.3% |
17 | Ethiopia | 1 | 0.3% |
18 | Bulgaria | 1 | 0.3% |
19 | Canada | 1 | 0.3% |



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