Rank	Countries/Territories	Count	Percent
1	United States	489	40.7%
2	China	409	34.1%
3	Germany	85	7.1%
4	India	79	6.6%
5	Korea, Republic of	16	1.3%
6	Canada	11	0.9%
7	Italy	8	0.7%
8	Spain	8	0.7%
9	Mexico	7	0.6%
10	Japan	6	0.5%
11	Taiwan	6	0.5%
12	Hong Kong	6	0.5%
13	Malaysia	6	0.5%
14	Singapore	6	0.5%
15	Netherlands	5	0.4%
16	France	5	0.4%
17	Iran, Islamic Republic of	5	0.4%
18	Argentina	4	0.3%
19	Brazil	3	0.2%
20	Cyprus	3	0.2%
21	Egypt	3	0.2%
22	Romania	3	0.2%
23	Turkey	3	0.2%
24	Viet Nam	2	0.2%
25	Russia	2	0.2%
26	Sweden	2	0.2%
27	Pakistan	2	0.2%
28	Portugal	2	0.2%
29	Latvia	2	0.2%
30	Greece	2	0.2%
31	Czech Republic	2	0.2%
32	Belgium	2	0.2%
33	Australia	1	0.1%
34	Denmark	1	0.1%
35	Ireland	1	0.1%
36	Chile	1	0.1%
37	Thailand	1	0.1%
38	Ukraine	1	0.1%
39	United Kingdom	1	0.1%