Rank	Countries/Territories	Count	Percent
1	United States	539	41.4%
2	China	446	34.3%
3	Germany	63	4.8%
4	India	56	4.3%
5	Japan	33	2.5%
6	Russia	19	1.5%
7	Canada	16	1.2%
8	Korea, Republic of	14	1.1%
9	United Kingdom	14	1.1%
10	Hong Kong	10	0.8%
11	Australia	10	0.8%
12	Brazil	9	0.7%
13	Netherlands	9	0.7%
14	Turkey	8	0.6%
15	Taiwan	5	0.4%
16	Viet Nam	5	0.4%
17	Serbia	4	0.3%
18	Singapore	4	0.3%
19	Cote D'ivoire	4	0.3%
20	Cyprus	3	0.2%
21	Chile	3	0.2%
22	Ireland	3	0.2%
23	Italy	2	0.2%
24	Philippines	2	0.2%
25	Lebanon	2	0.2%
26	Ukraine	2	0.2%
27	Portugal	2	0.2%
28	Greece	2	0.2%
29	Hungary	1	0.1%
30	Iran, Islamic Republic of	1	0.1%
31	Denmark	1	0.1%
32	Ethiopia	1	0.1%
33	France	1	0.1%
34	Argentina	1	0.1%
35	Belgium	1	0.1%
36	Romania	1	0.1%
37	Slovakia	1	0.1%
38	Spain	1	0.1%
39	Mexico	1	0.1%
40	Poland	1	0.1%
41	Latvia	1	0.1%