
Rank | Countries/Territories | Count | Percent |
1 | United States | 168 | 29.1% |
2 | China | 166 | 28.7% |
3 | Germany | 105 | 18.2% |
4 | Ireland | 28 | 4.8% |
5 | Netherlands | 19 | 3.3% |
6 | Russia | 14 | 2.4% |
7 | France | 10 | 1.7% |
8 | India | 9 | 1.6% |
9 | Korea, Republic of | 8 | 1.4% |
10 | 8 | 1.4% | |
11 | Algeria | 7 | 1.2% |
12 | Canada | 5 | 0.9% |
13 | Japan | 4 | 0.7% |
14 | Australia | 3 | 0.5% |
15 | Morocco | 3 | 0.5% |
16 | Oman | 3 | 0.5% |
17 | Syrian Arab Republic | 3 | 0.5% |
18 | Ukraine | 3 | 0.5% |
19 | United Arab Emirates | 2 | 0.3% |
20 | Bangladesh | 2 | 0.3% |
21 | Cyprus | 2 | 0.3% |
22 | Mexico | 2 | 0.3% |
23 | Norway | 2 | 0.3% |
24 | Singapore | 1 | 0.2% |
25 | Slovakia | 1 | 0.2% |






