Rank	Countries/Territories	Count	Percent
1	United States	625	35.9%
2	China	511	29.3%
3	Japan	168	9.6%
4	Germany	154	8.8%
5	Russia	41	2.4%
6	Singapore	40	2.3%
7	Canada	24	1.4%
8	Korea, Republic of	21	1.2%
9	Australia	18	1%
10	Netherlands	17	1%
11	United Kingdom	15	0.9%
12	India	14	0.8%
13	France	13	0.7%
14	Iran, Islamic Republic of	9	0.5%
15	Ireland	9	0.5%
16	Italy	7	0.4%
17	Poland	6	0.3%
18	Cyprus	6	0.3%
19	Brazil	4	0.2%
20	Ethiopia	4	0.2%
21	Mexico	3	0.2%
22	Hong Kong	3	0.2%
23	Taiwan	3	0.2%
24	Ukraine	3	0.2%
25	Switzerland	2	0.1%
26	Egypt	2	0.1%
27	Argentina	2	0.1%
28	Mongolia	2	0.1%
29	Israel	2	0.1%
30	Philippines	2	0.1%
31	Spain	2	0.1%
32	Sweden	1	0.1%
33	South Africa	1	0.1%
34	New Zealand	1	0.1%
35	Austria	1	0.1%
36	Bangladesh	1	0.1%
37	Czech Republic	1	0.1%
38	Denmark	1	0.1%
39	Georgia	1	0.1%
40	Iraq	1	0.1%
41	Turkey	1	0.1%