Rank	Countries/Territories	Count	Percent
1	United States	596	38.7%
2	China	399	25.9%
3	Germany	182	11.8%
4	India	55	3.6%
5	France	37	2.4%
6	Russia	32	2.1%
7	Canada	28	1.8%
8		21	1.4%
9	Japan	20	1.3%
10	Korea, Republic of	20	1.3%
11	Netherlands	18	1.2%
12	Ireland	17	1.1%
13	Cyprus	17	1.1%
14	Iran, Islamic Republic of	9	0.6%
15	United Kingdom	8	0.5%
16	Turkey	6	0.4%
17	Hong Kong	6	0.4%
18	Argentina	6	0.4%
19	Singapore	6	0.4%
20	Czech Republic	5	0.3%
21	Syrian Arab Republic	5	0.3%
22	Thailand	4	0.3%
23	Australia	4	0.3%
24	Brazil	4	0.3%
25	Malaysia	4	0.3%
26	Pakistan	4	0.3%
27	Belgium	3	0.2%
28	Taiwan	3	0.2%
29	Bangladesh	2	0.1%
30	Norway	2	0.1%
31	Spain	2	0.1%
32	Romania	2	0.1%
33	Philippines	2	0.1%
34	Poland	1	0.1%
35	Saudi Arabia	1	0.1%
36	Peru	1	0.1%
37	Italy	1	0.1%
38	Chile	1	0.1%
39	Iraq	1	0.1%
40	Indonesia	1	0.1%
41	Ukraine	1	0.1%
42	United Arab Emirates	1	0.1%
43	Viet Nam	1	0.1%