Rank	Countries/Territories	Count	Percent
1	United States	315	40.3%
2	China	208	26.6%
3	Germany	86	11%
4	Netherlands	40	5.1%
5	Bulgaria	25	3.2%
6	Denmark	13	1.7%
7	United Kingdom	9	1.2%
8	France	8	1%
9	Turkey	7	0.9%
10	Ukraine	7	0.9%
11	Japan	7	0.9%
12	Korea, Republic of	7	0.9%
13	Malaysia	5	0.6%
14	Cyprus	4	0.5%
15	Australia	4	0.5%
16	Argentina	3	0.4%
17	Hong Kong	3	0.4%
18	Sweden	3	0.4%
19	Thailand	3	0.4%
20	Viet Nam	3	0.4%
21	South Africa	2	0.3%
22	Pakistan	2	0.3%
23	Egypt	2	0.3%
24	Indonesia	2	0.3%
25	Iran, Islamic Republic of	2	0.3%
26	Brazil	2	0.3%
27	Canada	2	0.3%
28	Bangladesh	1	0.1%
29	Ireland	1	0.1%
30	Israel	1	0.1%
31	India	1	0.1%
32	Singapore	1	0.1%
33	Nigeria	1	0.1%
34	Mauritius	1	0.1%
35	Spain	1	0.1%