Rank	Countries/Territories	Count	Percent
1	United States	493	37.3%
2	China	266	20.1%
3	Germany	206	15.6%
4		58	4.4%
5	Netherlands	54	4.1%
6	Canada	51	3.9%
7	Korea, Republic of	19	1.4%
8	Bulgaria	18	1.4%
9	Australia	16	1.2%
10	Iran, Islamic Republic of	14	1.1%
11	Japan	13	1%
12	Singapore	13	1%
13	France	10	0.8%
14	India	9	0.7%
15	Cyprus	8	0.6%
16	Moldova, Republic of	8	0.6%
17	Turkey	7	0.5%
18	Mauritius	6	0.5%
19	United Kingdom	5	0.4%
20	Taiwan	4	0.3%
21	Lithuania	4	0.3%
22	Spain	4	0.3%
23	Portugal	4	0.3%
24	Bangladesh	3	0.2%
25	Russia	3	0.2%
26	Ukraine	3	0.2%
27	Benin	2	0.2%
28	Cambodia	2	0.2%
29	Cote D'ivoire	2	0.2%
30	Indonesia	2	0.2%
31	Ireland	2	0.2%
32	Morocco	2	0.2%
33	Romania	1	0.1%
34	Nigeria	1	0.1%
35	Poland	1	0.1%
36	Sweden	1	0.1%
37	Switzerland	1	0.1%
38	South Africa	1	0.1%
39	Hong Kong	1	0.1%
40	Czech Republic	1	0.1%
41	Brazil	1	0.1%
42	Viet Nam	1	0.1%