Rank	Countries/Territories	Count	Percent
1	United States	450	36.6%
2	China	319	26%
3	India	148	12.1%
4	Japan	84	6.8%
5	Germany	77	6.3%
6	Iran, Islamic Republic of	15	1.2%
7	France	13	1.1%
8	Canada	12	1%
9	Russia	12	1%
10	Netherlands	12	1%
11	Saudi Arabia	11	0.9%
12	United Kingdom	7	0.6%
13	Singapore	6	0.5%
14	Colombia	6	0.5%
15	Spain	5	0.4%
16	Thailand	4	0.3%
17	Ukraine	4	0.3%
18	Israel	4	0.3%
19	Italy	4	0.3%
20	Algeria	4	0.3%
21	Australia	4	0.3%
22	Hong Kong	4	0.3%
23	Argentina	3	0.2%
24	Ireland	2	0.2%
25	Bulgaria	2	0.2%
26	Greece	2	0.2%
27	Slovakia	2	0.2%
28	Taiwan	2	0.2%
29	Norway	2	0.2%
30	Romania	1	0.1%
31	Switzerland	1	0.1%
32	Syrian Arab Republic	1	0.1%
33	Kuwait	1	0.1%
34	Bahrain	1	0.1%
35	Brazil	1	0.1%
36	Cote D'ivoire	1	0.1%
37	Denmark	1	0.1%