Rank	Countries/Territories	Count	Percent
1	United States	460	37.2%
2	China	415	33.5%
3	Germany	65	5.3%
4	India	65	5.3%
5	Canada	21	1.7%
6	Japan	19	1.5%
7	Latvia	14	1.1%
8	Russia	14	1.1%
9	Turkey	13	1.1%
10	France	13	1.1%
11	Italy	9	0.7%
12	Brazil	9	0.7%
13	United Kingdom	9	0.7%
14	Singapore	8	0.6%
15	Hong Kong	8	0.6%
16	Argentina	7	0.6%
17	Israel	7	0.6%
18	Korea, Republic of	6	0.5%
19	Netherlands	6	0.5%
20	Australia	6	0.5%
21	Taiwan	6	0.5%
22	Portugal	5	0.4%
23	Nigeria	5	0.4%
24	Pakistan	5	0.4%
25	Iran, Islamic Republic of	5	0.4%
26	Cyprus	4	0.3%
27	Cote D'ivoire	3	0.2%
28	Denmark	3	0.2%
29	Egypt	3	0.2%
30	Indonesia	2	0.2%
31	Ireland	2	0.2%
32	Peru	2	0.2%
33	Mexico	2	0.2%
34	Mongolia	2	0.2%
35	Syrian Arab Republic	2	0.2%
36	Spain	2	0.2%
37	Thailand	2	0.2%
38	Ukraine	1	0.1%
39	Sri Lanka	1	0.1%
40	Switzerland	1	0.1%
41	Saudi Arabia	1	0.1%
42	Nepal	1	0.1%
43	Iraq	1	0.1%
44	Finland	1	0.1%
45	Ecuador	1	0.1%
46	Czech Republic	1	0.1%