
Rank | Countries/Territories | Count | Percent |
1 | United States | 127 | 29.6% |
2 | China | 75 | 17.5% |
3 | Germany | 52 | 12.1% |
4 | France | 27 | 6.3% |
5 | Netherlands | 25 | 5.8% |
6 | Bulgaria | 17 | 4% |
7 | Taiwan | 11 | 2.6% |
8 | Norway | 10 | 2.3% |
9 | Turkey | 9 | 2.1% |
10 | Canada | 9 | 2.1% |
11 | Korea, Republic of | 8 | 1.9% |
12 | Ireland | 7 | 1.6% |
13 | Ukraine | 6 | 1.4% |
14 | United Kingdom | 5 | 1.2% |
15 | Kenya | 5 | 1.2% |
16 | Cyprus | 5 | 1.2% |
17 | Cote D'ivoire | 3 | 0.7% |
18 | Mauritius | 3 | 0.7% |
19 | South Africa | 3 | 0.7% |
20 | Singapore | 2 | 0.5% |
21 | Slovakia | 2 | 0.5% |
22 | Portugal | 2 | 0.5% |
23 | Romania | 2 | 0.5% |
24 | Moldova, Republic of | 2 | 0.5% |
25 | Nigeria | 2 | 0.5% |
26 | Greece | 2 | 0.5% |
27 | India | 2 | 0.5% |
28 | Finland | 2 | 0.5% |
29 | Bangladesh | 1 | 0.2% |
30 | Brazil | 1 | 0.2% |
31 | Russia | 1 | 0.2% |
32 | Thailand | 1 | 0.2% |






