Rank	Countries/Territories	Count	Percent
1	United States	549	38.9%
2	China	236	16.7%
3	Germany	133	9.4%
4	Netherlands	87	6.2%
5	India	65	4.6%
6	Australia	33	2.3%
7	Bulgaria	29	2.1%
8	United Kingdom	29	2.1%
9	Canada	28	2%
10	Ireland	26	1.8%
11	Russia	25	1.8%
12	France	19	1.3%
13	Hong Kong	14	1%
14	South Africa	11	0.8%
15	Japan	9	0.6%
16	Latvia	9	0.6%
17	Korea, Republic of	8	0.6%
18	Iran, Islamic Republic of	8	0.6%
19	Poland	6	0.4%
20	Portugal	5	0.4%
21	Switzerland	5	0.4%
22	Viet Nam	5	0.4%
23	Israel	5	0.4%
24	Mauritius	5	0.4%
25	New Zealand	4	0.3%
26	Cote D'ivoire	4	0.3%
27	Cyprus	4	0.3%
28	Togo	4	0.3%
29	Indonesia	3	0.2%
30	Nigeria	3	0.2%
31	Pakistan	3	0.2%
32	Philippines	3	0.2%
33	Lithuania	3	0.2%
34	Malaysia	2	0.1%
35	Brazil	2	0.1%
36	Estonia	2	0.1%
37	Bangladesh	2	0.1%
38	Albania	2	0.1%
39	Uganda	2	0.1%
40	Taiwan	2	0.1%
41	Thailand	2	0.1%
42	Romania	2	0.1%
43	Singapore	2	0.1%
44	Spain	1	0.1%
45	United Arab Emirates	1	0.1%
46	Turkey	1	0.1%
47	Argentina	1	0.1%
48	Benin	1	0.1%
49	Denmark	1	0.1%
50	Iraq	1	0.1%
51	Mexico	1	0.1%
52	Mongolia	1	0.1%
53	Norway	1	0.1%