Rank	Countries/Territories	Count	Percent
1	United States	874	43.5%
2	China	485	24.1%
3	Germany	109	5.4%
4	Japan	109	5.4%
5	United Kingdom	72	3.6%
6	Canada	66	3.3%
7	Switzerland	65	3.2%
8	France	60	3%
9	Netherlands	20	1%
10	Korea, Republic of	10	0.5%
11	Australia	10	0.5%
12	India	9	0.4%
13	Taiwan	9	0.4%
14	Singapore	9	0.4%
15	South Africa	9	0.4%
16	Norway	9	0.4%
17	Russia	7	0.3%
18	Lithuania	7	0.3%
19	Bangladesh	7	0.3%
20	Bulgaria	7	0.3%
21	Latvia	6	0.3%
22	Turkey	6	0.3%
23	Mauritius	5	0.2%
24	Poland	4	0.2%
25	Cyprus	4	0.2%
26	Hong Kong	4	0.2%
27	Iraq	3	0.1%
28	Nigeria	3	0.1%
29	Israel	2	0.1%
30	Indonesia	2	0.1%
31	Georgia	2	0.1%
32	Ethiopia	2	0.1%
33	Argentina	2	0.1%
34	Brazil	1	0%
35	Chile	1	0%
36	Hungary	1	0%
37	Iran, Islamic Republic of	1	0%
38	Mongolia	1	0%
39	Morocco	1	0%
40	Romania	1	0%
41	Saudi Arabia	1	0%
42	Spain	1	0%
43	Thailand	1	0%
44	Viet Nam	1	0%