Rank	Countries/Territories	Count	Percent
1	United States	667	53%
2	China	280	22.3%
3	Germany	61	4.8%
4	Japan	39	3.1%
5		28	2.2%
6	India	27	2.1%
7	Russia	22	1.7%
8	Canada	20	1.6%
9	Singapore	18	1.4%
10	United Kingdom	13	1%
11	Latvia	13	1%
12	Netherlands	11	0.9%
13	Cyprus	6	0.5%
14	Hong Kong	5	0.4%
15	Spain	5	0.4%
16	Korea, Republic of	4	0.3%
17	Bosnia and Herzegovina	4	0.3%
18	Argentina	3	0.2%
19	France	3	0.2%
20	Australia	2	0.2%
21	Brazil	2	0.2%
22	Cambodia	2	0.2%
23	Sweden	2	0.2%
24	Switzerland	2	0.2%
25	Taiwan	2	0.2%
26	Pakistan	2	0.2%
27	Italy	2	0.2%
28	South Africa	2	0.2%
29	Turkey	2	0.2%
30	Ukraine	2	0.2%
31	Romania	1	0.1%
32	Mongolia	1	0.1%
33	Thailand	1	0.1%
34	Bulgaria	1	0.1%
35	Belgium	1	0.1%
36	Iran, Islamic Republic of	1	0.1%
37	Ireland	1	0.1%