Rank	Countries/Territories	Count	Percent
1	United States	553	42.1%
2	China	406	30.9%
3	Germany	105	8%
4	Iran, Islamic Republic of	39	3%
5	France	32	2.4%
6	Japan	26	2%
7	Singapore	16	1.2%
8	India	14	1.1%
9	Spain	13	1%
10	Korea, Republic of	11	0.8%
11	Netherlands	11	0.8%
12	Hong Kong	10	0.8%
13	Canada	10	0.8%
14	Cyprus	7	0.5%
15	Italy	7	0.5%
16	Turkey	7	0.5%
17	Australia	6	0.5%
18	Chile	5	0.4%
19	Argentina	5	0.4%
20	New Zealand	4	0.3%
21	Poland	3	0.2%
22	Malaysia	3	0.2%
23	Mexico	3	0.2%
24	United Kingdom	3	0.2%
25	Lebanon	2	0.2%
26	Ukraine	2	0.2%
27	Ireland	2	0.2%
28	Finland	2	0.2%
29	Bangladesh	2	0.2%
30	Belgium	1	0.1%
31	Austria	1	0.1%
32	Sweden	1	0.1%
33	Taiwan	1	0.1%
34	Latvia	1	0.1%
35	Romania	1	0.1%