Rank	Countries/Territories	Count	Percent
1	United States	579	39.4%
2	China	339	23.1%
3	Germany	108	7.4%
4	India	61	4.2%
5	Russia	60	4.1%
6	Japan	33	2.2%
7	France	30	2%
8	Canada	27	1.8%
9	Ukraine	23	1.6%
10	Netherlands	20	1.4%
11	Korea, Republic of	17	1.2%
12	Brazil	15	1%
13	Cyprus	15	1%
14	Singapore	15	1%
15	Mexico	13	0.9%
16	Senegal	7	0.5%
17	United Kingdom	6	0.4%
18	Taiwan	6	0.4%
19	Hong Kong	6	0.4%
20	Ireland	6	0.4%
21	Italy	6	0.4%
22	Egypt	5	0.3%
23	Australia	5	0.3%
24	Spain	5	0.3%
25	Romania	4	0.3%
26	Colombia	4	0.3%
27	Denmark	4	0.3%
28	Greece	3	0.2%
29	Indonesia	3	0.2%
30	Norway	3	0.2%
31	Pakistan	3	0.2%
32	Peru	3	0.2%
33	Switzerland	3	0.2%
34	Slovakia	2	0.1%
35	Malaysia	2	0.1%
36	Thailand	2	0.1%
37	Mongolia	2	0.1%
38	Morocco	2	0.1%
39	Iraq	2	0.1%
40	Guatemala	2	0.1%
41	Ethiopia	2	0.1%
42	Czech Republic	2	0.1%
43	Argentina	2	0.1%
44	Austria	1	0.1%
45	Belgium	1	0.1%
46	Chile	1	0.1%
47	Ecuador	1	0.1%
48	Israel	1	0.1%
49	Iran, Islamic Republic of	1	0.1%
50	Lithuania	1	0.1%
51	Poland	1	0.1%
52	Portugal	1	0.1%
53	Qatar	1	0.1%
54	Turkey	1	0.1%
55	Viet Nam	1	0.1%