Rank	Countries/Territories	Count	Percent
1	United States	313	35%
2	China	290	32.4%
3	Germany	71	7.9%
4	India	29	3.2%
5	Iran, Islamic Republic of	17	1.9%
6	Taiwan	16	1.8%
7	Singapore	16	1.8%
8	France	14	1.6%
9	Japan	13	1.5%
10	Pakistan	11	1.2%
11	Australia	10	1.1%
12	Mexico	8	0.9%
13	Netherlands	7	0.8%
14	Malaysia	7	0.8%
15	Turkey	7	0.8%
16	Cyprus	7	0.8%
17	Korea, Republic of	7	0.8%
18	Russia	6	0.7%
19	Romania	5	0.6%
20	Egypt	5	0.6%
21	Brazil	4	0.4%
22	Switzerland	4	0.4%
23	Portugal	3	0.3%
24	Kuwait	3	0.3%
25	Ireland	3	0.3%
26	Indonesia	3	0.3%
27	Hong Kong	2	0.2%
28	Canada	2	0.2%
29	Colombia	2	0.2%
30	Spain	2	0.2%
31	Ukraine	2	0.2%
32	United Kingdom	2	0.2%
33	Thailand	1	0.1%
34	Ethiopia	1	0.1%
35	Argentina	1	0.1%
36	Hungary	1	0.1%