Rank	Countries/Territories	Count	Percent
1	United States	646	45.8%
2	China	412	29.2%
3	Germany	106	7.5%
4	Brazil	38	2.7%
5	Russia	30	2.1%
6	India	24	1.7%
7	Japan	19	1.3%
8	Singapore	18	1.3%
9	Canada	16	1.1%
10	Korea, Republic of	14	1%
11	Netherlands	12	0.9%
12	Taiwan	7	0.5%
13	France	6	0.4%
14	United Kingdom	6	0.4%
15	Switzerland	5	0.4%
16	Cyprus	5	0.4%
17	Hong Kong	5	0.4%
18	Australia	4	0.3%
19	Belgium	4	0.3%
20	Iraq	3	0.2%
21	Spain	3	0.2%
22	Viet Nam	3	0.2%
23	Turkey	2	0.1%
24	Pakistan	2	0.1%
25	Romania	2	0.1%
26	Lithuania	2	0.1%
27	Hungary	2	0.1%
28	Iran, Islamic Republic of	2	0.1%
29	Ireland	1	0.1%
30	Israel	1	0.1%
31	Italy	1	0.1%
32	Argentina	1	0.1%
33	Costa Rica	1	0.1%
34	Mongolia	1	0.1%
35	Latvia	1	0.1%
36	Saudi Arabia	1	0.1%
37	Ukraine	1	0.1%
38	Thailand	1	0.1%
39	Uzbekistan	1	0.1%