Rank	Countries/Territories	Count	Percent
1	United States	629	37.8%
2	China	526	31.6%
3	Germany	165	9.9%
4	Latvia	55	3.3%
5	Canada	52	3.1%
6	Japan	33	2%
7	Korea, Republic of	31	1.9%
8	France	28	1.7%
9	Cyprus	20	1.2%
10	United Kingdom	15	0.9%
11	India	12	0.7%
12	Netherlands	12	0.7%
13	Australia	11	0.7%
14	Singapore	9	0.5%
15	Norway	7	0.4%
16	Hong Kong	7	0.4%
17	Spain	5	0.3%
18	Iran, Islamic Republic of	4	0.2%
19		4	0.2%
20	Argentina	4	0.2%
21	Ireland	3	0.2%
22	Slovakia	3	0.2%
23	Taiwan	3	0.2%
24	Malaysia	3	0.2%
25	Mexico	2	0.1%
26	Mongolia	2	0.1%
27	Poland	2	0.1%
28	Togo	2	0.1%
29	Turkey	2	0.1%
30	Switzerland	2	0.1%
31	Israel	2	0.1%
32	Finland	2	0.1%
33	Cote D'ivoire	2	0.1%
34	Bangladesh	1	0.1%
35	Ukraine	1	0.1%
36	Thailand	1	0.1%
37	Lithuania	1	0.1%