![](https://www.f6publishing.com/contents/images/collapsed_no.gif)
Rank | Countries/Territories | Count | Percent |
1 | United States | 311 | 69% |
2 | China | 104 | 23.1% |
3 | Germany | 15 | 3.3% |
4 | Netherlands | 9 | 2% |
5 | Switzerland | 4 | 0.9% |
6 | Russia | 2 | 0.4% |
7 | France | 2 | 0.4% |
8 | Australia | 2 | 0.4% |
9 | Canada | 1 | 0.2% |
10 | Singapore | 1 | 0.2% |
![](https://www.f6publishing.com/contents/images/collapsed_no.gif)
![](https://www.f6publishing.com/contents/images/collapsed_no.gif)
![](https://www.f6publishing.com/contents/images/collapsed_no.gif)
![](https://www.f6publishing.com/contents/images/collapsed_no.gif)
![](https://www.f6publishing.com/contents/images/collapsed_no.gif)
![](https://www.f6publishing.com/contents/images/collapsed_no.gif)
![](https://www.f6publishing.com/contents/images/collapsed_no.gif)
![](https://www.f6publishing.com/contents/images/collapsed_no.gif)