Rank	Countries/Territories	Count	Percent
1	United States	469	38.2%
2	China	320	26.1%
3	Germany	166	13.5%
4	Latvia	42	3.4%
5	France	36	2.9%
6	Argentina	27	2.2%
7	Japan	26	2.1%
8	Netherlands	13	1.1%
9	Cyprus	13	1.1%
10	India	12	1%
11	Canada	10	0.8%
12	Hong Kong	8	0.7%
13	Romania	8	0.7%
14	Greece	7	0.6%
15	Taiwan	6	0.5%
16	United Kingdom	5	0.4%
17	Austria	5	0.4%
18	Russia	5	0.4%
19	Pakistan	5	0.4%
20	South Africa	4	0.3%
21	Norway	4	0.3%
22	Ireland	4	0.3%
23	Australia	3	0.2%
24	Belgium	3	0.2%
25	Egypt	3	0.2%
26	Ukraine	3	0.2%
27	Iran, Islamic Republic of	2	0.2%
28	Turkey	2	0.2%
29	Bangladesh	2	0.2%
30	Malaysia	2	0.2%
31	Spain	2	0.2%
32	Saudi Arabia	2	0.2%
33	Singapore	2	0.2%
34	Poland	1	0.1%
35	Mongolia	1	0.1%
36	Kuwait	1	0.1%
37	Lithuania	1	0.1%
38	Italy	1	0.1%
39	Indonesia	1	0.1%