Rank	Countries/Territories	Count	Percent
1	United States	415	41.3%
2	China	239	23.8%
3	Germany	92	9.2%
4	Iran, Islamic Republic of	30	3%
5	Japan	21	2.1%
6	Canada	20	2%
7	Netherlands	18	1.8%
8	Ukraine	17	1.7%
9	France	16	1.6%
10	Turkey	13	1.3%
11	Indonesia	11	1.1%
12	Peru	9	0.9%
13	Israel	8	0.8%
14	Australia	8	0.8%
15	Brazil	8	0.8%
16	Cyprus	8	0.8%
17	India	7	0.7%
18	Romania	7	0.7%
19	Spain	7	0.7%
20	Singapore	5	0.5%
21	Nigeria	5	0.5%
22	Poland	4	0.4%
23	Taiwan	4	0.4%
24	Uganda	4	0.4%
25	United Kingdom	3	0.3%
26	Russia	3	0.3%
27	Norway	3	0.3%
28	Korea, Republic of	2	0.2%
29	Ireland	2	0.2%
30	Egypt	2	0.2%
31	Hong Kong	2	0.2%
32	Trinidad and Tobago	2	0.2%
33	United Arab Emirates	1	0.1%
34	Dominican Republic	1	0.1%
35	Colombia	1	0.1%
36	Bulgaria	1	0.1%
37	Chile	1	0.1%
38	Malaysia	1	0.1%
39	Italy	1	0.1%
40	Slovakia	1	0.1%
41	Thailand	1	0.1%
42	Switzerland	1	0.1%