Rank	Countries/Territories	Count	Percent
1	United States	528	42.1%
2	China	364	29%
3	Germany	57	4.5%
4	India	56	4.5%
5	Iran, Islamic Republic of	40	3.2%
6	Canada	26	2.1%
7	Russia	24	1.9%
8	Brazil	19	1.5%
9	Italy	12	1%
10	Japan	12	1%
11	Croatia	10	0.8%
12	Singapore	10	0.8%
13	Taiwan	10	0.8%
14	Spain	9	0.7%
15	Ireland	8	0.6%
16	Hong Kong	8	0.6%
17	Netherlands	7	0.6%
18	Colombia	6	0.5%
19	Cyprus	6	0.5%
20	United Kingdom	6	0.5%
21	Australia	5	0.4%
22	Mexico	5	0.4%
23	Korea, Republic of	4	0.3%
24	Sweden	3	0.2%
25	Viet Nam	2	0.2%
26	Turkey	2	0.2%
27	Morocco	2	0.2%
28	Portugal	2	0.2%
29	Argentina	2	0.2%
30	Bangladesh	1	0.1%
31	Denmark	1	0.1%
32	Egypt	1	0.1%
33	France	1	0.1%
34	Slovakia	1	0.1%
35	Philippines	1	0.1%
36	Poland	1	0.1%
37	Ukraine	1	0.1%
38	Switzerland	1	0.1%
39	Thailand	1	0.1%