Rank	Countries/Territories	Count	Percent
1	United States	508	40.4%
2	China	391	31.1%
3	Germany	84	6.7%
4	Latvia	55	4.4%
5	Japan	30	2.4%
6	India	20	1.6%
7	France	18	1.4%
8	Canada	17	1.4%
9	Netherlands	17	1.4%
10	Singapore	16	1.3%
11	Hong Kong	9	0.7%
12	Cyprus	8	0.6%
13	Australia	7	0.6%
14	Korea, Republic of	7	0.6%
15	Malaysia	7	0.6%
16	Ukraine	7	0.6%
17	Russia	5	0.4%
18	Argentina	5	0.4%
19	Ireland	5	0.4%
20	Iran, Islamic Republic of	4	0.3%
21	Bulgaria	4	0.3%
22	Thailand	4	0.3%
23	Indonesia	3	0.2%
24	United Kingdom	3	0.2%
25	Romania	3	0.2%
26	Egypt	2	0.2%
27	Turkey	2	0.2%
28	South Africa	2	0.2%
29	Switzerland	2	0.2%
30	Taiwan	2	0.2%
31	Mauritius	2	0.2%
32	Mongolia	1	0.1%
33	Myanmar	1	0.1%
34	Norway	1	0.1%
35	Poland	1	0.1%
36	Serbia	1	0.1%
37	Finland	1	0.1%
38	Georgia	1	0.1%