Rank	Countries/Territories	Count	Percent
1	United States	502	58.6%
2	China	86	10%
3	Germany	82	9.6%
4	Japan	20	2.3%
5	Brazil	18	2.1%
6	United Kingdom	16	1.9%
7	France	13	1.5%
8	Netherlands	11	1.3%
9	Korea, Republic of	10	1.2%
10	Singapore	9	1.1%
11	Hong Kong	7	0.8%
12	Argentina	7	0.8%
13	Iran, Islamic Republic of	6	0.7%
14	Ireland	6	0.7%
15	Ukraine	6	0.7%
16	Qatar	5	0.6%
17	Norway	4	0.5%
18	Canada	4	0.5%
19	Greece	4	0.5%
20	Australia	3	0.4%
21	Cyprus	3	0.4%
22	Egypt	3	0.4%
23	Palestine, State of	3	0.4%
24	Peru	3	0.4%
25	Italy	3	0.4%
26	Turkey	3	0.4%
27	Viet Nam	3	0.4%
28	Taiwan	2	0.2%
29	Thailand	2	0.2%
30	Lithuania	2	0.2%
31	Malaysia	2	0.2%
32	Mexico	2	0.2%
33	India	1	0.1%
34	Georgia	1	0.1%
35	Bangladesh	1	0.1%
36	Chile	1	0.1%
37	Spain	1	0.1%
38	Switzerland	1	0.1%
39	Poland	1	0.1%