Rank	Countries/Territories	Count	Percent
1	United States	323	38.8%
2	China	244	29.3%
3	Germany	58	7%
4	India	38	4.6%
5	Korea, Republic of	19	2.3%
6	Japan	16	1.9%
7	Iran, Islamic Republic of	14	1.7%
8	France	13	1.6%
9	Russia	12	1.4%
10	Ireland	8	1%
11	United Kingdom	8	1%
12	Netherlands	6	0.7%
13	Singapore	6	0.7%
14	Taiwan	5	0.6%
15	Cyprus	5	0.6%
16	Denmark	5	0.6%
17	Australia	5	0.6%
18	Bangladesh	4	0.5%
19	Egypt	4	0.5%
20	Turkey	4	0.5%
21	Viet Nam	4	0.5%
22	Thailand	3	0.4%
23	Hong Kong	3	0.4%
24	Canada	3	0.4%
25	Algeria	2	0.2%
26	Bolivia, Plurinational State of	2	0.2%
27	Georgia	2	0.2%
28	Spain	2	0.2%
29	Nigeria	2	0.2%
30	Israel	2	0.2%
31	Morocco	2	0.2%
32	Philippines	1	0.1%
33	Serbia	1	0.1%
34	Sweden	1	0.1%
35	Switzerland	1	0.1%
36	Indonesia	1	0.1%
37	Austria	1	0.1%
38	Bahrain	1	0.1%
39	Croatia	1	0.1%