Rank	Countries/Territories	Count	Percent
1	United States	161	32.3%
2	China	87	17.4%
3	Germany	61	12.2%
4	Iran, Islamic Republic of	42	8.4%
5	Singapore	24	4.8%
6	India	16	3.2%
7	France	13	2.6%
8	Japan	9	1.8%
9	Mexico	9	1.8%
10	Italy	8	1.6%
11	Cyprus	6	1.2%
12	Netherlands	5	1%
13	Saudi Arabia	5	1%
14	Spain	5	1%
15	Philippines	4	0.8%
16	Taiwan	3	0.6%
17	Thailand	3	0.6%
18	Ecuador	3	0.6%
19	Egypt	3	0.6%
20	Colombia	3	0.6%
21	Yemen	3	0.6%
22	Australia	2	0.4%
23	Brazil	2	0.4%
24	Hong Kong	2	0.4%
25	Ireland	2	0.4%
26	Greece	2	0.4%
27	Turkey	2	0.4%
28	Tanzania, United Republic of	2	0.4%
29	Korea, Republic of	2	0.4%
30	Kuwait	1	0.2%
31	Mongolia	1	0.2%
32	Palestine, State of	1	0.2%
33	Syrian Arab Republic	1	0.2%
34	United Arab Emirates	1	0.2%
35	United Kingdom	1	0.2%
36	Guatemala	1	0.2%
37	Indonesia	1	0.2%
38	Canada	1	0.2%
39	Georgia	1	0.2%