
Rank | Countries/Territories | Count | Percent |
1 | United States | 163 | 54% |
2 | China | 63 | 20.9% |
3 | Germany | 27 | 8.9% |
4 | Iran, Islamic Republic of | 20 | 6.6% |
5 | Netherlands | 5 | 1.7% |
6 | Hong Kong | 4 | 1.3% |
7 | Brazil | 4 | 1.3% |
8 | New Zealand | 2 | 0.7% |
9 | Russia | 2 | 0.7% |
10 | Ireland | 2 | 0.7% |
11 | Canada | 2 | 0.7% |
12 | Japan | 1 | 0.3% |
13 | United Kingdom | 1 | 0.3% |
14 | Bulgaria | 1 | 0.3% |
15 | 1 | 0.3% | |
16 | Argentina | 1 | 0.3% |
17 | Belgium | 1 | 0.3% |
18 | Czech Republic | 1 | 0.3% |
19 | France | 1 | 0.3% |