Rank	Countries/Territories	Count	Percent
1	United States	457	40.8%
2	China	297	26.5%
3	Germany	58	5.2%
4	India	46	4.1%
5	Russia	41	3.7%
6	France	37	3.3%
7	Saudi Arabia	34	3%
8	Canada	22	2%
9	Latvia	14	1.2%
10	Australia	12	1.1%
11	Korea, Republic of	11	1%
12	United Kingdom	10	0.9%
13	Hong Kong	9	0.8%
14	Japan	7	0.6%
15	Singapore	6	0.5%
16	Czech Republic	6	0.5%
17	Cyprus	5	0.4%
18	Netherlands	5	0.4%
19	Israel	4	0.4%
20	Spain	4	0.4%
21	Taiwan	4	0.4%
22	Bangladesh	4	0.4%
23	Argentina	3	0.3%
24	Lithuania	3	0.3%
25	Malaysia	3	0.3%
26	Ireland	2	0.2%
27	Ukraine	2	0.2%
28	South Africa	2	0.2%
29	Bulgaria	2	0.2%
30	Ghana	2	0.2%
31	Indonesia	1	0.1%
32	Iran, Islamic Republic of	1	0.1%
33	Iraq	1	0.1%
34	Albania	1	0.1%
35	Denmark	1	0.1%
36	Egypt	1	0.1%
37	Serbia	1	0.1%
38	Norway	1	0.1%
39	Poland	1	0.1%