
Rank | Countries/Territories | Count | Percent |
1 | United States | 120 | 30.7% |
2 | China | 114 | 29.2% |
3 | Russia | 41 | 10.5% |
4 | Sweden | 34 | 8.7% |
5 | Germany | 22 | 5.6% |
6 | Netherlands | 13 | 3.3% |
7 | France | 10 | 2.6% |
8 | Italy | 10 | 2.6% |
9 | Lithuania | 6 | 1.5% |
10 | Ireland | 6 | 1.5% |
11 | Iran, Islamic Republic of | 3 | 0.8% |
12 | Canada | 2 | 0.5% |
13 | Hong Kong | 2 | 0.5% |
14 | Romania | 2 | 0.5% |
15 | South Africa | 2 | 0.5% |
16 | Spain | 2 | 0.5% |
17 | Ukraine | 1 | 0.3% |
18 | Portugal | 1 | 0.3% |






