Rank	Countries/Territories	Count	Percent
1	United States	328	36%
2	China	293	32.2%
3	India	76	8.3%
4	Germany	33	3.6%
5	Japan	32	3.5%
6	Russia	24	2.6%
7	Korea, Republic of	21	2.3%
8	Brazil	18	2%
9	Hong Kong	11	1.2%
10	Portugal	7	0.8%
11	Mexico	6	0.7%
12	Canada	5	0.5%
13	France	4	0.4%
14	Netherlands	4	0.4%
15	Singapore	4	0.4%
16	South Africa	4	0.4%
17	Ukraine	4	0.4%
18	Viet Nam	3	0.3%
19	Taiwan	3	0.3%
20	Italy	3	0.3%
21	Belgium	3	0.3%
22	Egypt	3	0.3%
23	Finland	3	0.3%
24	Greece	2	0.2%
25	Israel	2	0.2%
26	Indonesia	2	0.2%
27	Iran, Islamic Republic of	2	0.2%
28	Iraq	2	0.2%
29	Romania	2	0.2%
30	Malaysia	2	0.2%
31	Switzerland	1	0.1%
32	Turkey	1	0.1%
33	United Kingdom	1	0.1%
34	Ireland	1	0.1%
35	Argentina	1	0.1%