Rank	Countries/Territories	Count	Percent
1	United States	436	40%
2	China	308	28.2%
3	Germany	119	10.9%
4	India	41	3.8%
5	Netherlands	26	2.4%
6	Canada	18	1.6%
7	Ireland	16	1.5%
8	Australia	12	1.1%
9	Korea, Republic of	11	1%
10	Japan	10	0.9%
11	Singapore	9	0.8%
12	Cyprus	7	0.6%
13	France	6	0.5%
14	Guinea	6	0.5%
15	Sweden	6	0.5%
16	Nigeria	5	0.5%
17	Philippines	5	0.5%
18	Malaysia	5	0.5%
19	Indonesia	4	0.4%
20	Iran, Islamic Republic of	4	0.4%
21	Poland	4	0.4%
22	Romania	4	0.4%
23	Russia	4	0.4%
24	United Kingdom	4	0.4%
25	Taiwan	3	0.3%
26	Turkey	2	0.2%
27	Switzerland	2	0.2%
28	Israel	2	0.2%
29	Italy	2	0.2%
30	Hong Kong	2	0.2%
31	Estonia	2	0.2%
32	Austria	1	0.1%
33	Bangladesh	1	0.1%
34	Guyana	1	0.1%
35	Mauritius	1	0.1%
36	Oman	1	0.1%
37	Thailand	1	0.1%