Rank	Countries/Territories	Count	Percent
1	United States	586	37.9%
2	China	495	32%
3	Germany	157	10.1%
4	Latvia	55	3.6%
5	Canada	43	2.8%
6	Japan	31	2%
7	Korea, Republic of	31	2%
8	France	21	1.4%
9	Cyprus	20	1.3%
10	United Kingdom	15	1%
11	Netherlands	12	0.8%
12	Australia	11	0.7%
13	Singapore	9	0.6%
14	Hong Kong	7	0.5%
15	Spain	5	0.3%
16	Norway	4	0.3%
17	Iran, Islamic Republic of	4	0.3%
18	Argentina	4	0.3%
19	Ireland	3	0.2%
20	India	3	0.2%
21	Malaysia	3	0.2%
22	Slovakia	3	0.2%
23	Taiwan	3	0.2%
24	Togo	2	0.1%
25	Turkey	2	0.1%
26	Switzerland	2	0.1%
27	Mexico	2	0.1%
28	Mongolia	2	0.1%
29	Poland	2	0.1%
30	Israel	2	0.1%
31	Finland	2	0.1%
32	Cote D'ivoire	2	0.1%
33	Bangladesh	1	0.1%
34	Lithuania	1	0.1%
35	Ukraine	1	0.1%
36	Thailand	1	0.1%