Rank	Countries/Territories	Count	Percent
1	United States	484	41.1%
2	China	296	25.1%
3	Russia	56	4.8%
4	Iran, Islamic Republic of	51	4.3%
5	United Kingdom	36	3.1%
6	Germany	33	2.8%
7	India	26	2.2%
8	Spain	25	2.1%
9	Canada	18	1.5%
10	Australia	14	1.2%
11	Brazil	13	1.1%
12	Korea, Republic of	12	1%
13	Japan	10	0.8%
14	Norway	9	0.8%
15	Argentina	8	0.7%
16	Austria	8	0.7%
17	Hong Kong	8	0.7%
18	Romania	6	0.5%
19	Singapore	6	0.5%
20	France	5	0.4%
21	Finland	4	0.3%
22	Bangladesh	4	0.3%
23	Malaysia	4	0.3%
24	Turkey	4	0.3%
25	Viet Nam	4	0.3%
26	Mexico	3	0.3%
27	Netherlands	3	0.3%
28	Saudi Arabia	3	0.3%
29	Croatia	3	0.3%
30	Denmark	3	0.3%
31	Egypt	2	0.2%
32	Hungary	2	0.2%
33	Belgium	2	0.2%
34	Sweden	2	0.2%
35	Indonesia	2	0.2%
36	Ireland	2	0.2%
37	Kuwait	1	0.1%
38	Taiwan	1	0.1%
39	Tunisia	1	0.1%
40	Bahrain	1	0.1%
41	Bulgaria	1	0.1%
42	Czech Republic	1	0.1%
43	Ukraine	1	0.1%