Rank	Countries/Territories	Count	Percent
1	United States	381	37.9%
2	China	291	29%
3	Germany	118	11.7%
4	India	41	4.1%
5	Netherlands	25	2.5%
6	Ireland	16	1.6%
7	Canada	16	1.6%
8	Korea, Republic of	11	1.1%
9	Japan	9	0.9%
10	Singapore	9	0.9%
11	Cyprus	7	0.7%
12	France	6	0.6%
13	Guinea	6	0.6%
14	Sweden	6	0.6%
15	Nigeria	5	0.5%
16	Philippines	5	0.5%
17	Malaysia	5	0.5%
18	Indonesia	4	0.4%
19	Iran, Islamic Republic of	4	0.4%
20	Australia	4	0.4%
21	Romania	4	0.4%
22	Russia	4	0.4%
23	United Kingdom	4	0.4%
24	Taiwan	3	0.3%
25	Poland	3	0.3%
26	Switzerland	2	0.2%
27	Turkey	2	0.2%
28	Estonia	2	0.2%
29	Israel	2	0.2%
30	Italy	2	0.2%
31	Hong Kong	2	0.2%
32	Mauritius	1	0.1%
33	Austria	1	0.1%
34	Bangladesh	1	0.1%
35	Guyana	1	0.1%
36	Thailand	1	0.1%
37	Oman	1	0.1%