Rank	Countries/Territories	Count	Percent
1	United States	298	37.2%
2	China	264	32.9%
3	Germany	77	9.6%
4	Iran, Islamic Republic of	16	2%
5	France	15	1.9%
6		14	1.7%
7	Japan	13	1.6%
8	United Kingdom	10	1.2%
9	India	10	1.2%
10	Singapore	9	1.1%
11	Korea, Republic of	7	0.9%
12	Netherlands	6	0.7%
13	Italy	6	0.7%
14	Cyprus	6	0.7%
15	Australia	5	0.6%
16	Russia	5	0.6%
17	Romania	4	0.5%
18	Hong Kong	4	0.5%
19	Ireland	3	0.4%
20	Brazil	3	0.4%
21	New Zealand	3	0.4%
22	Peru	3	0.4%
23	Kuwait	2	0.2%
24	Lithuania	2	0.2%
25	Malaysia	2	0.2%
26	Mexico	2	0.2%
27	Uganda	2	0.2%
28	Viet Nam	2	0.2%
29	Czech Republic	2	0.2%
30	Argentina	1	0.1%
31	Canada	1	0.1%
32	Chile	1	0.1%
33	Greece	1	0.1%
34	Ukraine	1	0.1%
35	Switzerland	1	0.1%
36	Taiwan	1	0.1%