Rank	Countries/Territories	Count	Percent
1	United States	393	36.3%
2	China	286	26.4%
3	Netherlands	124	11.4%
4	Germany	120	11.1%
5	Bulgaria	25	2.3%
6	France	15	1.4%
7	Denmark	13	1.2%
8	Japan	11	1%
9	United Kingdom	9	0.8%
10	Turkey	7	0.6%
11	Ukraine	7	0.6%
12	Korea, Republic of	7	0.6%
13	Cyprus	7	0.6%
14	Australia	6	0.6%
15	Malaysia	5	0.5%
16	South Africa	4	0.4%
17	Sweden	3	0.3%
18	Thailand	3	0.3%
19	Nigeria	3	0.3%
20	Russia	3	0.3%
21	Argentina	3	0.3%
22	Canada	3	0.3%
23	Hong Kong	3	0.3%
24	Viet Nam	3	0.3%
25	Egypt	2	0.2%
26	Brazil	2	0.2%
27	Pakistan	2	0.2%
28	Indonesia	2	0.2%
29	Iran, Islamic Republic of	2	0.2%
30	Ireland	2	0.2%
31	Israel	1	0.1%
32	Mauritius	1	0.1%
33	Mongolia	1	0.1%
34	Singapore	1	0.1%
35	Spain	1	0.1%
36	Bangladesh	1	0.1%
37	Dominican Republic	1	0.1%
38	Hungary	1	0.1%
39	India	1	0.1%