Rank	Countries/Territories	Count	Percent
1	United States	688	32.1%
2	China	598	27.9%
3	Germany	180	8.4%
4	Netherlands	74	3.5%
5	Bulgaria	55	2.6%
6	Korea, Republic of	52	2.4%
7	France	39	1.8%
8	Japan	38	1.8%
9	United Kingdom	25	1.2%
10	Nigeria	23	1.1%
11	India	23	1.1%
12		22	1%
13	Thailand	21	1%
14	Russia	19	0.9%
15	Canada	19	0.9%
16	Ireland	19	0.9%
17	Hong Kong	17	0.8%
18	Singapore	16	0.7%
19	Taiwan	14	0.7%
20	Australia	14	0.7%
21	Latvia	13	0.6%
22	Ukraine	13	0.6%
23	Turkey	11	0.5%
24	Sweden	9	0.4%
25	Mexico	9	0.4%
26	Spain	8	0.4%
27	Colombia	8	0.4%
28	Viet Nam	7	0.3%
29	Mauritius	6	0.3%
30	Cote D'ivoire	6	0.3%
31	Brazil	6	0.3%
32	Lithuania	6	0.3%
33	Iran, Islamic Republic of	5	0.2%
34	Hungary	5	0.2%
35	Benin	5	0.2%
36	Cyprus	5	0.2%
37	Italy	5	0.2%
38	Norway	5	0.2%
39	Morocco	4	0.2%
40	Romania	4	0.2%
41	Denmark	4	0.2%
42	Argentina	4	0.2%
43	Bangladesh	3	0.1%
44	Belgium	3	0.1%
45	Greece	3	0.1%
46	Israel	3	0.1%
47	Malaysia	3	0.1%
48	Indonesia	2	0.1%
49	Finland	2	0.1%
50	Chile	2	0.1%
51	South Africa	2	0.1%
52	Philippines	2	0.1%
53	Poland	2	0.1%
54	Panama	2	0.1%
55	Switzerland	2	0.1%
56	United Arab Emirates	2	0.1%
57	Peru	1	0%
58	New Zealand	1	0%
59	Egypt	1	0%
60	Czech Republic	1	0%
61	Austria	1	0%
62	Ghana	1	0%