
Rank | Countries/Territories | Count | Percent |
1 | United States | 306 | 35.2% |
2 | China | 225 | 25.9% |
3 | Germany | 145 | 16.7% |
4 | Netherlands | 62 | 7.1% |
5 | France | 41 | 4.7% |
6 | Canada | 24 | 2.8% |
7 | Iran, Islamic Republic of | 15 | 1.7% |
8 | Russia | 9 | 1% |
9 | United Kingdom | 8 | 0.9% |
10 | Ukraine | 7 | 0.8% |
11 | Cyprus | 7 | 0.8% |
12 | India | 6 | 0.7% |
13 | Ireland | 4 | 0.5% |
14 | Singapore | 3 | 0.3% |
15 | South Africa | 2 | 0.2% |
16 | Peru | 2 | 0.2% |
17 | Switzerland | 1 | 0.1% |
18 | Turkey | 1 | 0.1% |
19 | Mauritius | 1 | 0.1% |
20 | Australia | 1 | 0.1% |






