Rank	Countries/Territories	Count	Percent
1	United States	499	39%
2	China	395	30.9%
3	Germany	133	10.4%
4	Latvia	56	4.4%
5	France	55	4.3%
6	Ukraine	14	1.1%
7	Japan	13	1%
8	Australia	11	0.9%
9	Canada	10	0.8%
10	Ireland	10	0.8%
11	Cyprus	9	0.7%
12	Singapore	9	0.7%
13	Netherlands	8	0.6%
14	Poland	8	0.6%
15	India	7	0.5%
16	Iran, Islamic Republic of	6	0.5%
17	United Kingdom	6	0.5%
18	Israel	4	0.3%
19	Argentina	3	0.2%
20	Thailand	3	0.2%
21	Turkey	2	0.2%
22	Pakistan	2	0.2%
23	Portugal	2	0.2%
24	Hong Kong	2	0.2%
25	Malaysia	2	0.2%
26	Mongolia	2	0.2%
27	Nepal	1	0.1%
28	Brazil	1	0.1%
29	Romania	1	0.1%
30	Russia	1	0.1%
31	Norway	1	0.1%
32	Korea, Republic of	1	0.1%
33	Spain	1	0.1%
34	Sweden	1	0.1%
35	Taiwan	1	0.1%