Rank	Countries/Territories	Count	Percent
1	United States	437	34.1%
2	China	331	25.8%
3	Germany	78	6.1%
4	Netherlands	55	4.3%
5	Bulgaria	36	2.8%
6	Japan	32	2.5%
7	France	26	2%
8		22	1.7%
9	Nigeria	20	1.6%
10	India	20	1.6%
11	United Kingdom	20	1.6%
12	Ireland	16	1.2%
13	Hong Kong	14	1.1%
14	Ukraine	13	1%
15	Korea, Republic of	11	0.9%
16	Russia	9	0.7%
17	Singapore	9	0.7%
18	Sweden	9	0.7%
19	Taiwan	9	0.7%
20	Turkey	8	0.6%
21	Viet Nam	7	0.5%
22	Thailand	7	0.5%
23	Australia	7	0.5%
24	Latvia	6	0.5%
25	Norway	5	0.4%
26	Iran, Islamic Republic of	5	0.4%
27	Benin	5	0.4%
28	Mauritius	5	0.4%
29	Spain	5	0.4%
30	Morocco	4	0.3%
31	Romania	4	0.3%
32	Brazil	4	0.3%
33	Canada	4	0.3%
34	Argentina	3	0.2%
35	Greece	3	0.2%
36	Colombia	3	0.2%
37	Hungary	3	0.2%
38	Lithuania	3	0.2%
39	Malaysia	3	0.2%
40	Philippines	2	0.2%
41	Indonesia	2	0.2%
42	Italy	2	0.2%
43	Cyprus	2	0.2%
44	Finland	2	0.2%
45	Chile	2	0.2%
46	Mexico	2	0.2%
47	South Africa	2	0.2%
48	Belgium	1	0.1%
49	Egypt	1	0.1%
50	Cote D'ivoire	1	0.1%
51	Israel	1	0.1%