Rank	Countries/Territories	Count	Percent
1	United States	366	36.7%
2	China	279	28%
3	Germany	56	5.6%
4	Australia	45	4.5%
5	Iran, Islamic Republic of	35	3.5%
6	France	20	2%
7	Canada	18	1.8%
8	Singapore	16	1.6%
9	Switzerland	15	1.5%
10	Netherlands	12	1.2%
11	Ukraine	12	1.2%
12	India	11	1.1%
13	Japan	10	1%
14	Viet Nam	10	1%
15	Bulgaria	9	0.9%
16	Cyprus	8	0.8%
17	United Kingdom	8	0.8%
18	Lithuania	7	0.7%
19	Taiwan	7	0.7%
20	Italy	5	0.5%
21	Ireland	5	0.5%
22	Bangladesh	5	0.5%
23	Egypt	4	0.4%
24	Korea, Republic of	4	0.4%
25	Latvia	3	0.3%
26	Israel	3	0.3%
27	Argentina	3	0.3%
28	Albania	2	0.2%
29	Czech Republic	2	0.2%
30	Ethiopia	2	0.2%
31	Iraq	2	0.2%
32	Sweden	2	0.2%
33	Thailand	2	0.2%
34	Turkey	1	0.1%
35	Tanzania, United Republic of	1	0.1%
36	New Zealand	1	0.1%
37	Norway	1	0.1%
38	Philippines	1	0.1%
39	Malaysia	1	0.1%
40	Morocco	1	0.1%
41	Indonesia	1	0.1%
42	Ecuador	1	0.1%
43	Brazil	1	0.1%