
Rank | Countries/Territories | Count | Percent |
1 | United States | 162 | 32.1% |
2 | China | 125 | 24.8% |
3 | Germany | 44 | 8.7% |
4 | Ireland | 41 | 8.1% |
5 | Netherlands | 20 | 4% |
6 | France | 20 | 4% |
7 | Japan | 14 | 2.8% |
8 | Canada | 13 | 2.6% |
9 | Italy | 12 | 2.4% |
10 | Russia | 9 | 1.8% |
11 | United Kingdom | 6 | 1.2% |
12 | Ukraine | 5 | 1% |
13 | Korea, Republic of | 5 | 1% |
14 | Norway | 4 | 0.8% |
15 | Brazil | 3 | 0.6% |
16 | Australia | 3 | 0.6% |
17 | Hungary | 3 | 0.6% |
18 | India | 3 | 0.6% |
19 | Denmark | 3 | 0.6% |
20 | Spain | 3 | 0.6% |
21 | Belgium | 2 | 0.4% |
22 | Mexico | 2 | 0.4% |
23 | Romania | 1 | 0.2% |
24 | Singapore | 1 | 0.2% |






