Rank	Countries/Territories	Count	Percent
1	United States	824	54.6%
2	China	333	22.1%
3	Germany	94	6.2%
4	India	68	4.5%
5	Russia	34	2.3%
6	Spain	34	2.3%
7	Netherlands	22	1.5%
8	Canada	9	0.6%
9	Egypt	9	0.6%
10	Korea, Republic of	8	0.5%
11	Japan	7	0.5%
12	United Kingdom	7	0.5%
13	Romania	6	0.4%
14	France	6	0.4%
15	Belgium	4	0.3%
16	Austria	4	0.3%
17	Singapore	4	0.3%
18	Australia	3	0.2%
19	Ecuador	3	0.2%
20	Iran, Islamic Republic of	3	0.2%
21	Taiwan	3	0.2%
22	Cyprus	2	0.1%
23	Mongolia	2	0.1%
24	Philippines	2	0.1%
25	Kenya	2	0.1%
26	Lithuania	2	0.1%
27	Malaysia	2	0.1%
28	Mexico	1	0.1%
29	Hong Kong	1	0.1%
30	Norway	1	0.1%
31	Saudi Arabia	1	0.1%
32	Brazil	1	0.1%
33	Cameroon	1	0.1%
34	Algeria	1	0.1%
35	Bangladesh	1	0.1%
36	Ireland	1	0.1%
37	Italy	1	0.1%
38	Turkey	1	0.1%
39	Ukraine	1	0.1%
40	Sweden	1	0.1%