Rank	Countries/Territories	Count	Percent
1	United States	401	41.2%
2	China	300	30.8%
3	Germany	90	9.2%
4	Latvia	44	4.5%
5	Iran, Islamic Republic of	21	2.2%
6		21	2.2%
7	France	14	1.4%
8	Cyprus	12	1.2%
9	Switzerland	9	0.9%
10	Russia	6	0.6%
11	Korea, Republic of	6	0.6%
12	Canada	6	0.6%
13	Hong Kong	6	0.6%
14	Japan	5	0.5%
15	Netherlands	5	0.5%
16	United Kingdom	5	0.5%
17	Singapore	4	0.4%
18	India	4	0.4%
19	Australia	4	0.4%
20	Spain	3	0.3%
21	Ukraine	2	0.2%
22	Malaysia	2	0.2%
23	Philippines	1	0.1%
24	Bulgaria	1	0.1%
25	Greece	1	0.1%