Rank	Countries/Territories	Count	Percent
1	United States	511	42.7%
2	China	297	24.8%
3	Germany	170	14.2%
4	India	23	1.9%
5	Canada	21	1.8%
6	France	20	1.7%
7	Ireland	15	1.3%
8	Japan	15	1.3%
9	Netherlands	15	1.3%
10	Cyprus	14	1.2%
11	Korea, Republic of	13	1.1%
12	Iran, Islamic Republic of	7	0.6%
13	Argentina	6	0.5%
14	United Kingdom	6	0.5%
15	Czech Republic	5	0.4%
16	Syrian Arab Republic	5	0.4%
17	Turkey	4	0.3%
18	Singapore	4	0.3%
19	Malaysia	4	0.3%
20	Pakistan	4	0.3%
21	Australia	4	0.3%
22	Brazil	4	0.3%
23	Hong Kong	4	0.3%
24	Belgium	3	0.3%
25	Taiwan	3	0.3%
26	Spain	2	0.2%
27	Romania	2	0.2%
28	Philippines	2	0.2%
29	Bangladesh	2	0.2%
30	Chile	1	0.1%
31	Indonesia	1	0.1%
32	Iraq	1	0.1%
33	Italy	1	0.1%
34	Poland	1	0.1%
35	Peru	1	0.1%
36	Norway	1	0.1%
37	Russia	1	0.1%
38	Saudi Arabia	1	0.1%
39	Ukraine	1	0.1%
40	United Arab Emirates	1	0.1%
41	Viet Nam	1	0.1%