Rank	Countries/Territories	Count	Percent
1	United States	518	38.6%
2	China	430	32.1%
3	Germany	105	7.8%
4	Netherlands	42	3.1%
5	Ireland	38	2.8%
6	France	35	2.6%
7	Russia	35	2.6%
8	Canada	26	1.9%
9		18	1.3%
10	United Kingdom	12	0.9%
11	Ukraine	11	0.8%
12	Taiwan	9	0.7%
13	Cyprus	8	0.6%
14	Brazil	8	0.6%
15	India	6	0.4%
16	Thailand	5	0.4%
17	Iran, Islamic Republic of	5	0.4%
18	Sweden	5	0.4%
19	Japan	3	0.2%
20	Korea, Republic of	2	0.1%
21	Indonesia	2	0.1%
22	Bulgaria	2	0.1%
23	Denmark	2	0.1%
24	Australia	2	0.1%
25	Bangladesh	2	0.1%
26	Belgium	2	0.1%
27	South Africa	2	0.1%
28	Turkey	2	0.1%
29	Singapore	1	0.1%
30	Nigeria	1	0.1%
31	Latvia	1	0.1%
32	Lithuania	1	0.1%