Rank	Countries/Territories	Count	Percent
1	United States	475	40.2%
2	China	364	30.8%
3	Germany	97	8.2%
4		35	3%
5	Japan	29	2.5%
6	France	24	2%
7	Australia	18	1.5%
8	Netherlands	13	1.1%
9	Switzerland	11	0.9%
10	Hong Kong	11	0.9%
11	Ukraine	10	0.8%
12	United Kingdom	9	0.8%
13	Korea, Republic of	9	0.8%
14	Cyprus	9	0.8%
15	Indonesia	7	0.6%
16	Russia	7	0.6%
17	Singapore	6	0.5%
18	Canada	6	0.5%
19	Brazil	4	0.3%
20	Spain	4	0.3%
21	Sweden	4	0.3%
22	Turkey	3	0.3%
23	Belgium	3	0.3%
24	Romania	3	0.3%
25	Burkina Faso	2	0.2%
26	Azerbaijan	2	0.2%
27	India	2	0.2%
28	Viet Nam	2	0.2%
29	Iran, Islamic Republic of	2	0.2%
30	Ireland	2	0.2%
31	Mongolia	1	0.1%
32	Saudi Arabia	1	0.1%
33	Nigeria	1	0.1%
34	Portugal	1	0.1%
35	Virgin Islands, U.S.	1	0.1%
36	Hungary	1	0.1%
37	Czech Republic	1	0.1%
38	Egypt	1	0.1%
39	Colombia	1	0.1%
40	Argentina	1	0.1%