Rank	Countries/Territories	Count	Percent
1	United States	445	37.4%
2	China	402	33.8%
3	Germany	130	10.9%
4	Latvia	36	3%
5	Japan	24	2%
6	India	18	1.5%
7	Iran, Islamic Republic of	14	1.2%
8	France	13	1.1%
9	Colombia	13	1.1%
10	Cyprus	13	1.1%
11	Canada	13	1.1%
12	Singapore	13	1.1%
13	Ukraine	13	1.1%
14	Netherlands	10	0.8%
15	Ethiopia	6	0.5%
16	Australia	5	0.4%
17	Argentina	3	0.3%
18	Finland	3	0.3%
19	Hong Kong	2	0.2%
20	Bangladesh	2	0.2%
21	Malaysia	2	0.2%
22	United Kingdom	2	0.2%
23	Virgin Islands, U.S.	2	0.2%
24	Viet Nam	1	0.1%
25	Turkey	1	0.1%
26	Norway	1	0.1%
27	Palestine, State of	1	0.1%
28	Bulgaria	1	0.1%
29	Egypt	1	0.1%