Rank	Countries/Territories	Count	Percent
1	United States	535	35.2%
2	China	498	32.8%
3	Germany	100	6.6%
4	Japan	65	4.3%
5	Korea, Republic of	53	3.5%
6	Australia	40	2.6%
7	Taiwan	21	1.4%
8	Canada	18	1.2%
9	Singapore	17	1.1%
10	France	15	1%
11	Russia	15	1%
12	India	14	0.9%
13	Hong Kong	13	0.9%
14	Netherlands	9	0.6%
15	Egypt	8	0.5%
16	Brazil	8	0.5%
17	Cyprus	8	0.5%
18	United Kingdom	8	0.5%
19	Switzerland	7	0.5%
20	South Africa	7	0.5%
21	Turkey	6	0.4%
22	Poland	6	0.4%
23	Mongolia	4	0.3%
24	Norway	4	0.3%
25	Greece	4	0.3%
26	Chile	4	0.3%
27	Czech Republic	3	0.2%
28	Argentina	3	0.2%
29	Mexico	3	0.2%
30	Spain	3	0.2%
31	Ukraine	2	0.1%
32	Viet Nam	2	0.1%
33	Malaysia	2	0.1%
34	Italy	2	0.1%
35	Pakistan	2	0.1%
36	Indonesia	2	0.1%
37	Iran, Islamic Republic of	1	0.1%
38	Ireland	1	0.1%
39	Bangladesh	1	0.1%
40	Denmark	1	0.1%
41	New Zealand	1	0.1%
42	Nigeria	1	0.1%
43	Romania	1	0.1%
44	Latvia	1	0.1%
45	United Arab Emirates	1	0.1%