Rank	Countries/Territories	Count	Percent
1	United States	387	38%
2	China	324	31.8%
3	Germany	72	7.1%
4	India	41	4%
5	Russia	21	2.1%
6	Japan	19	1.9%
7	Iran, Islamic Republic of	18	1.8%
8	United Kingdom	15	1.5%
9	Canada	13	1.3%
10	Czech Republic	12	1.2%
11	Netherlands	10	1%
12	Singapore	9	0.9%
13	Australia	9	0.9%
14	Korea, Republic of	7	0.7%
15	Hong Kong	6	0.6%
16	Cote D'ivoire	5	0.5%
17	Brazil	4	0.4%
18	Spain	4	0.4%
19	Romania	4	0.4%
20	Turkey	4	0.4%
21	France	3	0.3%
22	Poland	3	0.3%
23	Argentina	3	0.3%
24	Ireland	3	0.3%
25	Italy	2	0.2%
26	Greece	2	0.2%
27	Cyprus	2	0.2%
28	Colombia	2	0.2%
29	Portugal	2	0.2%
30	Kazakhstan	2	0.2%
31	Norway	2	0.2%
32	Pakistan	2	0.2%
33	Mexico	1	0.1%
34	Hungary	1	0.1%
35	Switzerland	1	0.1%
36	Taiwan	1	0.1%
37	Denmark	1	0.1%
38	Uzbekistan	1	0.1%