
Rank | Countries/Territories | Count | Percent |
1 | United States | 219 | 25.3% |
2 | China | 194 | 22.5% |
3 | Czech Republic | 181 | 20.9% |
4 | 171 | 19.8% | |
5 | Germany | 29 | 3.4% |
6 | United Kingdom | 10 | 1.2% |
7 | Hong Kong | 7 | 0.8% |
8 | Norway | 6 | 0.7% |
9 | Thailand | 6 | 0.7% |
10 | Netherlands | 5 | 0.6% |
11 | Poland | 4 | 0.5% |
12 | Iran, Islamic Republic of | 4 | 0.5% |
13 | Italy | 4 | 0.5% |
14 | Japan | 3 | 0.3% |
15 | Australia | 3 | 0.3% |
16 | Brazil | 3 | 0.3% |
17 | Korea, Republic of | 3 | 0.3% |
18 | Kazakhstan | 2 | 0.2% |
19 | New Zealand | 2 | 0.2% |
20 | Turkey | 2 | 0.2% |
21 | Egypt | 1 | 0.1% |
22 | France | 1 | 0.1% |
23 | Bangladesh | 1 | 0.1% |
24 | Russia | 1 | 0.1% |
25 | Singapore | 1 | 0.1% |
26 | South Africa | 1 | 0.1% |