Rank	Countries/Territories	Count	Percent
1	United States	523	37.5%
2	China	393	28.2%
3	Germany	118	8.5%
4	Latvia	45	3.2%
5	France	43	3.1%
6	India	36	2.6%
7	Canada	32	2.3%
8	Japan	27	1.9%
9	Netherlands	25	1.8%
10	Singapore	16	1.1%
11	Cyprus	15	1.1%
12	Australia	14	1%
13	Korea, Republic of	12	0.9%
14	Chile	9	0.6%
15	Ireland	8	0.6%
16	Malaysia	8	0.6%
17	Mexico	6	0.4%
18	South Africa	5	0.4%
19	Bangladesh	5	0.4%
20	Hong Kong	5	0.4%
21	Iran, Islamic Republic of	4	0.3%
22	Brazil	4	0.3%
23	Turkey	4	0.3%
24	Uruguay	3	0.2%
25	Philippines	3	0.2%
26	Norway	2	0.1%
27	Israel	2	0.1%
28	Lesotho	2	0.1%
29	Bulgaria	2	0.1%
30	Indonesia	2	0.1%
31	Estonia	2	0.1%
32	Saudi Arabia	2	0.1%
33	Ukraine	2	0.1%
34	United Kingdom	2	0.1%
35	Switzerland	2	0.1%
36	Syrian Arab Republic	2	0.1%
37	Thailand	2	0.1%
38	Armenia	1	0.1%
39	Iraq	1	0.1%
40	Belgium	1	0.1%
41	Egypt	1	0.1%
42	Libya	1	0.1%
43	Jordan	1	0.1%
44	Russia	1	0.1%
45	Spain	1	0.1%