Rank	Countries/Territories	Count	Percent
1	United States	485	34%
2	China	465	32.6%
3	Germany	109	7.6%
4	Japan	96	6.7%
5	Korea, Republic of	35	2.5%
6	France	34	2.4%
7	Singapore	18	1.3%
8	India	15	1.1%
9	Hong Kong	14	1%
10	Switzerland	13	0.9%
11	Spain	12	0.8%
12	Netherlands	12	0.8%
13	Canada	12	0.8%
14	Iran, Islamic Republic of	11	0.8%
15	Ireland	10	0.7%
16	Italy	10	0.7%
17	Australia	9	0.6%
18	Bangladesh	7	0.5%
19	Taiwan	7	0.5%
20	Cyprus	6	0.4%
21	Czech Republic	5	0.4%
22	Sweden	5	0.4%
23	Malaysia	3	0.2%
24	Sri Lanka	3	0.2%
25	Portugal	3	0.2%
26	Russia	3	0.2%
27	United Kingdom	3	0.2%
28	Romania	2	0.1%
29	Peru	2	0.1%
30	Thailand	2	0.1%
31	Togo	2	0.1%
32	Turkey	2	0.1%
33	Argentina	2	0.1%
34	Latvia	2	0.1%
35	Indonesia	1	0.1%
36	Burkina Faso	1	0.1%
37	Georgia	1	0.1%
38	United Arab Emirates	1	0.1%
39	Philippines	1	0.1%
40	Senegal	1	0.1%
41	Slovakia	1	0.1%
42	Viet Nam	1	0.1%