Rank	Countries/Territories	Count	Percent
1	United States	474	42.2%
2	China	330	29.4%
3	Germany	80	7.1%
4	Latvia	47	4.2%
5	Japan	24	2.1%
6	India	20	1.8%
7	Canada	17	1.5%
8	Netherlands	16	1.4%
9	France	13	1.2%
10	Singapore	12	1.1%
11	Malaysia	7	0.6%
12	Korea, Republic of	7	0.6%
13	Australia	7	0.6%
14	Cyprus	7	0.6%
15	Hong Kong	6	0.5%
16	Ukraine	6	0.5%
17	Russia	5	0.4%
18	Ireland	5	0.4%
19	Argentina	5	0.4%
20	Bulgaria	4	0.4%
21	Indonesia	3	0.3%
22	Romania	3	0.3%
23	Mauritius	2	0.2%
24	United Kingdom	2	0.2%
25	South Africa	2	0.2%
26	Switzerland	2	0.2%
27	Taiwan	2	0.2%
28	Thailand	2	0.2%
29	Turkey	2	0.2%
30	Iran, Islamic Republic of	2	0.2%
31	Egypt	2	0.2%
32	Finland	1	0.1%
33	Georgia	1	0.1%
34	Serbia	1	0.1%
35	Mongolia	1	0.1%
36	Myanmar	1	0.1%
37	Norway	1	0.1%
38	Poland	1	0.1%