
Rank | Countries/Territories | Count | Percent |
1 | United States | 152 | 29% |
2 | China | 137 | 26.1% |
3 | Russia | 118 | 22.5% |
4 | Germany | 20 | 3.8% |
5 | 15 | 2.9% | |
6 | Brazil | 15 | 2.9% |
7 | Norway | 14 | 2.7% |
8 | United Kingdom | 14 | 2.7% |
9 | Netherlands | 5 | 1% |
10 | Australia | 4 | 0.8% |
11 | Ireland | 4 | 0.8% |
12 | Hong Kong | 4 | 0.8% |
13 | Canada | 3 | 0.6% |
14 | Poland | 3 | 0.6% |
15 | Romania | 2 | 0.4% |
16 | Japan | 2 | 0.4% |
17 | Korea, Republic of | 2 | 0.4% |
18 | Costa Rica | 2 | 0.4% |
19 | Czech Republic | 2 | 0.4% |
20 | Viet Nam | 2 | 0.4% |
21 | Uzbekistan | 1 | 0.2% |
22 | Indonesia | 1 | 0.2% |
23 | Algeria | 1 | 0.2% |
24 | Senegal | 1 | 0.2% |
25 | Singapore | 1 | 0.2% |