Rank	Countries/Territories	Count	Percent
1	United States	527	37.4%
2	China	512	36.3%
3	Germany	129	9.1%
4	India	39	2.8%
5	Canada	20	1.4%
6	Netherlands	19	1.3%
7	France	16	1.1%
8	Singapore	16	1.1%
9	Russia	15	1.1%
10	Japan	12	0.9%
11		11	0.8%
12	Cyprus	10	0.7%
13	Argentina	9	0.6%
14	Iran, Islamic Republic of	8	0.6%
15	Korea, Republic of	6	0.4%
16	United Kingdom	6	0.4%
17	Taiwan	5	0.4%
18	Mexico	5	0.4%
19	Ireland	5	0.4%
20	Australia	4	0.3%
21	Uganda	4	0.3%
22	Saudi Arabia	3	0.2%
23	Mongolia	3	0.2%
24	Latvia	3	0.2%
25	Italy	3	0.2%
26	Greece	3	0.2%
27	Indonesia	2	0.1%
28	Iraq	2	0.1%
29	Bangladesh	2	0.1%
30	Portugal	2	0.1%
31	Ukraine	2	0.1%
32	Sweden	2	0.1%
33	Spain	1	0.1%
34	Pakistan	1	0.1%
35	Palestine, State of	1	0.1%
36	Croatia	1	0.1%
37	Hong Kong	1	0.1%