Rank	Countries/Territories	Count	Percent
1	United States	485	45.9%
2	China	194	18.4%
3	Germany	78	7.4%
4	India	76	7.2%
5	Japan	27	2.6%
6	Korea, Republic of	19	1.8%
7	Italy	17	1.6%
8	France	16	1.5%
9	Ireland	11	1%
10	Netherlands	9	0.9%
11	Egypt	9	0.9%
12	Australia	9	0.9%
13	United Kingdom	9	0.9%
14	Spain	8	0.8%
15	Portugal	8	0.8%
16	Greece	7	0.7%
17	Canada	6	0.6%
18	Cyprus	5	0.5%
19	Iran, Islamic Republic of	5	0.5%
20	Sweden	5	0.5%
21	Thailand	5	0.5%
22	South Africa	4	0.4%
23	Taiwan	4	0.4%
24	Romania	3	0.3%
25	Singapore	3	0.3%
26	Czech Republic	3	0.3%
27	Hong Kong	3	0.3%
28	Belgium	3	0.3%
29	Brazil	2	0.2%
30	Austria	2	0.2%
31	Indonesia	2	0.2%
32	Poland	2	0.2%
33	Russia	2	0.2%
34	Serbia	2	0.2%
35	Syrian Arab Republic	2	0.2%
36	Tunisia	2	0.2%
37	Turkey	1	0.1%
38	Viet Nam	1	0.1%
39	Norway	1	0.1%
40	Pakistan	1	0.1%
41	Lebanon	1	0.1%
42	Mexico	1	0.1%
43	Mongolia	1	0.1%
44	Antigua and Barbuda	1	0.1%
45	Argentina	1	0.1%
46	Colombia	1	0.1%