Rank	Countries/Territories	Count	Percent
1	United States	494	44.6%
2	China	320	28.9%
3	Germany	99	8.9%
4	Latvia	36	3.2%
5	Ireland	20	1.8%
6	Australia	14	1.3%
7	Turkey	13	1.2%
8	Netherlands	12	1.1%
9	Argentina	12	1.1%
10	Cyprus	10	0.9%
11	India	9	0.8%
12	Bangladesh	6	0.5%
13	Sweden	6	0.5%
14	Spain	5	0.5%
15	France	5	0.5%
16		5	0.5%
17	Cuba	3	0.3%
18	Hong Kong	3	0.3%
19	Mongolia	3	0.3%
20	Japan	3	0.3%
21	Korea, Republic of	3	0.3%
22	Singapore	3	0.3%
23	Ukraine	3	0.3%
24	United Kingdom	2	0.2%
25	Libya	2	0.2%
26	Malaysia	2	0.2%
27	Philippines	2	0.2%
28	Egypt	2	0.2%
29	Iran, Islamic Republic of	2	0.2%
30	Italy	2	0.2%
31	Brazil	2	0.2%
32	Canada	2	0.2%
33	Romania	1	0.1%
34	Viet Nam	1	0.1%
35	Slovakia	1	0.1%