
Rank | Countries/Territories | Count | Percent |
1 | United States | 919 | 62.4% |
2 | Czech Republic | 357 | 24.2% |
3 | China | 69 | 4.7% |
4 | Germany | 36 | 2.4% |
5 | Iran, Islamic Republic of | 30 | 2% |
6 | United Kingdom | 12 | 0.8% |
7 | Hong Kong | 11 | 0.7% |
8 | 11 | 0.7% | |
9 | Brazil | 9 | 0.6% |
10 | India | 6 | 0.4% |
11 | Canada | 3 | 0.2% |
12 | Netherlands | 3 | 0.2% |
13 | Poland | 2 | 0.1% |
14 | Ukraine | 1 | 0.1% |
15 | United Arab Emirates | 1 | 0.1% |
16 | New Zealand | 1 | 0.1% |
17 | Mongolia | 1 | 0.1% |
18 | Argentina | 1 | 0.1% |