Rank	Countries/Territories	Count	Percent
1	United States	526	62.8%
2	China	132	15.8%
3	Germany	32	3.8%
4	Russia	20	2.4%
5	Canada	16	1.9%
6	India	14	1.7%
7	Latvia	13	1.6%
8	United Kingdom	11	1.3%
9	Singapore	10	1.2%
10	Netherlands	8	1%
11	Japan	7	0.8%
12	Cyprus	5	0.6%
13	Spain	5	0.6%
14	Bosnia and Herzegovina	4	0.5%
15	Argentina	3	0.4%
16	Korea, Republic of	3	0.4%
17	Hong Kong	3	0.4%
18	Australia	2	0.2%
19	Brazil	2	0.2%
20	Cambodia	2	0.2%
21	Sweden	2	0.2%
22	Switzerland	2	0.2%
23	Taiwan	2	0.2%
24	Pakistan	2	0.2%
25	Italy	2	0.2%
26	Turkey	2	0.2%
27	Romania	1	0.1%
28	Thailand	1	0.1%
29	France	1	0.1%
30	Bulgaria	1	0.1%
31	Belgium	1	0.1%
32	Iran, Islamic Republic of	1	0.1%
33	Ireland	1	0.1%
34	Mongolia	1	0.1%