Rank	Countries/Territories	Count	Percent
1	United States	463	41.2%
2	China	285	25.3%
3	Germany	100	8.9%
4	India	45	4%
5	Russia	23	2%
6	Japan	19	1.7%
7	Canada	19	1.7%
8	Ireland	18	1.6%
9	Latvia	16	1.4%
10	Korea, Republic of	13	1.2%
11	Australia	10	0.9%
12	Netherlands	9	0.8%
13	Indonesia	7	0.6%
14	Turkey	7	0.6%
15	United Kingdom	7	0.6%
16	Hong Kong	6	0.5%
17	Egypt	6	0.5%
18	Brazil	5	0.4%
19	Greece	5	0.4%
20	Tunisia	5	0.4%
21	Singapore	4	0.4%
22	South Africa	4	0.4%
23	Saudi Arabia	3	0.3%
24	Sweden	3	0.3%
25	France	3	0.3%
26	Argentina	3	0.3%
27	Colombia	3	0.3%
28	New Zealand	3	0.3%
29	Lithuania	3	0.3%
30	Pakistan	2	0.2%
31	Poland	2	0.2%
32	Cuba	2	0.2%
33	Cyprus	2	0.2%
34	Italy	2	0.2%
35	Venezuela, Bolivarian Republic of	2	0.2%
36	Viet Nam	1	0.1%
37	Yemen	1	0.1%
38	Taiwan	1	0.1%
39	Spain	1	0.1%
40	Sri Lanka	1	0.1%
41	Antigua and Barbuda	1	0.1%
42	Bangladesh	1	0.1%
43	Bulgaria	1	0.1%
44	Finland	1	0.1%
45	Romania	1	0.1%
46	Philippines	1	0.1%
47	Mexico	1	0.1%
48	Norway	1	0.1%
49	Hungary	1	0.1%
50	Iran, Islamic Republic of	1	0.1%
51	Israel	1	0.1%