Rank	Countries/Territories	Count	Percent
1	United States	251	23%
2	China	228	20.9%
3	Brazil	93	8.5%
4	Germany	83	7.6%
5	Korea, Republic of	56	5.1%
6	Japan	51	4.7%
7	Taiwan	38	3.5%
8	India	36	3.3%
9	Russia	35	3.2%
10		33	3%
11	United Kingdom	19	1.7%
12	Netherlands	18	1.7%
13	Latvia	13	1.2%
14	Hong Kong	13	1.2%
15	Spain	13	1.2%
16	France	9	0.8%
17	Ireland	9	0.8%
18	Australia	9	0.8%
19	Indonesia	8	0.7%
20	Singapore	7	0.6%
21	Romania	5	0.5%
22	Belgium	5	0.5%
23	Canada	5	0.5%
24	Ukraine	5	0.5%
25	Turkey	4	0.4%
26	Greece	4	0.4%
27	Portugal	4	0.4%
28	Italy	4	0.4%
29	Saudi Arabia	3	0.3%
30	Iran, Islamic Republic of	3	0.3%
31	Czech Republic	3	0.3%
32	Denmark	3	0.3%
33	Colombia	2	0.2%
34	Cyprus	2	0.2%
35	Israel	2	0.2%
36	Sierra Leone	2	0.2%
37	Kazakhstan	2	0.2%
38	Jordan	1	0.1%
39	New Zealand	1	0.1%
40	Pakistan	1	0.1%
41	Poland	1	0.1%
42	Slovenia	1	0.1%
43	Mauritius	1	0.1%
44	Egypt	1	0.1%
45	Sweden	1	0.1%
46	Uzbekistan	1	0.1%