Rank	Countries/Territories	Count	Percent
1	United States	266	37.2%
2	China	247	34.5%
3	Germany	44	6.1%
4	Brazil	28	3.9%
5	Canada	15	2.1%
6	Japan	13	1.8%
7	Australia	12	1.7%
8	Singapore	11	1.5%
9	France	8	1.1%
10	Korea, Republic of	7	1%
11	Netherlands	6	0.8%
12	Saudi Arabia	6	0.8%
13	United Kingdom	5	0.7%
14	Iran, Islamic Republic of	5	0.7%
15	Belgium	5	0.7%
16	Cyprus	5	0.7%
17	Iraq	3	0.4%
18	Hong Kong	3	0.4%
19	Turkey	3	0.4%
20	Mexico	3	0.4%
21	Israel	2	0.3%
22	Russia	2	0.3%
23	Argentina	2	0.3%
24	Estonia	2	0.3%
25	Viet Nam	2	0.3%
26	Greece	1	0.1%
27	Ireland	1	0.1%
28	Denmark	1	0.1%
29	Egypt	1	0.1%
30	Norway	1	0.1%
31	Oman	1	0.1%
32	Poland	1	0.1%
33	Ukraine	1	0.1%
34	Spain	1	0.1%
35	Sweden	1	0.1%
36	Taiwan	1	0.1%