Rank	Countries/Territories	Count	Percent
1	United States	494	45.6%
2	China	202	18.6%
3	Germany	64	5.9%
4	India	59	5.4%
5	Russia	47	4.3%
6	Greece	29	2.7%
7		29	2.7%
8	France	24	2.2%
9	Canada	16	1.5%
10	Latvia	13	1.2%
11	Netherlands	12	1.1%
12	Korea, Republic of	8	0.7%
13	Italy	7	0.6%
14	Japan	7	0.6%
15	Senegal	5	0.5%
16	Singapore	4	0.4%
17	Lithuania	4	0.4%
18	Ireland	4	0.4%
19	Hong Kong	4	0.4%
20	Australia	4	0.4%
21	Egypt	4	0.4%
22	United Kingdom	4	0.4%
23	Yemen	3	0.3%
24	Cyprus	3	0.3%
25	Brazil	3	0.3%
26	Mexico	3	0.3%
27	Norway	3	0.3%
28	South Africa	3	0.3%
29	Spain	3	0.3%
30	Sweden	3	0.3%
31	Switzerland	3	0.3%
32	Saudi Arabia	2	0.2%
33	Ghana	2	0.2%
34	Jordan	1	0.1%
35	Belgium	1	0.1%
36	Czech Republic	1	0.1%
37	Seychelles	1	0.1%
38	Turkey	1	0.1%
39	Ukraine	1	0.1%
40	Pakistan	1	0.1%
41	Poland	1	0.1%
42	Lebanon	1	0.1%