Rank	Countries/Territories	Count	Percent
1	United States	454	39.5%
2	China	444	38.6%
3	Germany	88	7.7%
4	France	37	3.2%
5	Japan	35	3%
6	Canada	19	1.7%
7	Netherlands	9	0.8%
8	Argentina	7	0.6%
9	Australia	7	0.6%
10	Hong Kong	6	0.5%
11	United Kingdom	6	0.5%
12	Singapore	5	0.4%
13	Cyprus	5	0.4%
14	Latvia	4	0.3%
15	Korea, Republic of	3	0.3%
16	South Africa	3	0.3%
17	Switzerland	2	0.2%
18	Iran, Islamic Republic of	2	0.2%
19	Norway	2	0.2%
20	Bangladesh	2	0.2%
21	Brazil	2	0.2%
22	Saudi Arabia	1	0.1%
23	Malaysia	1	0.1%
24	Mongolia	1	0.1%
25	India	1	0.1%
26	Viet Nam	1	0.1%
27	Taiwan	1	0.1%
28	Ukraine	1	0.1%
29	Sweden	1	0.1%