
Rank | Countries/Territories | Count | Percent |
1 | United States | 146 | 37.4% |
2 | China | 57 | 14.6% |
3 | Germany | 38 | 9.7% |
4 | Korea, Republic of | 33 | 8.5% |
5 | Netherlands | 22 | 5.6% |
6 | Ireland | 18 | 4.6% |
7 | France | 17 | 4.4% |
8 | 12 | 3.1% | |
9 | Canada | 9 | 2.3% |
10 | United Kingdom | 8 | 2.1% |
11 | Russia | 6 | 1.5% |
12 | Norway | 5 | 1.3% |
13 | Kenya | 3 | 0.8% |
14 | Japan | 2 | 0.5% |
15 | India | 2 | 0.5% |
16 | Cyprus | 2 | 0.5% |
17 | Austria | 2 | 0.5% |
18 | Belgium | 2 | 0.5% |
19 | Brazil | 2 | 0.5% |
20 | Cambodia | 1 | 0.3% |
21 | Singapore | 1 | 0.3% |
22 | Spain | 1 | 0.3% |
23 | Ukraine | 1 | 0.3% |






