Rank	Countries/Territories	Count	Percent
1	United States	514	44.3%
2	China	273	23.5%
3	India	95	8.2%
4	Germany	89	7.7%
5	Russia	39	3.4%
6	Latvia	16	1.4%
7	Brazil	16	1.4%
8	Japan	15	1.3%
9	Hong Kong	14	1.2%
10	Korea, Republic of	9	0.8%
11	Taiwan	7	0.6%
12	Argentina	7	0.6%
13	Australia	7	0.6%
14	Turkey	5	0.4%
15	Mongolia	5	0.4%
16	Netherlands	4	0.3%
17	United Kingdom	4	0.3%
18	Canada	4	0.3%
19	Ireland	4	0.3%
20	Belgium	3	0.3%
21	Singapore	3	0.3%
22	Thailand	2	0.2%
23	Poland	2	0.2%
24	Romania	2	0.2%
25	Morocco	2	0.2%
26	Greece	2	0.2%
27	Israel	2	0.2%
28	Italy	2	0.2%
29	Denmark	2	0.2%
30	France	2	0.2%
31	Spain	2	0.2%
32	Cyprus	1	0.1%
33	Bahrain	1	0.1%
34	Iran, Islamic Republic of	1	0.1%
35	Saudi Arabia	1	0.1%
36	Slovenia	1	0.1%
37	South Africa	1	0.1%
38	Viet Nam	1	0.1%