Rank	Countries/Territories	Count	Percent
1	United States	511	35.6%
2	China	445	31%
3	Germany	128	8.9%
4	Japan	78	5.4%
5	France	32	2.2%
6	India	28	1.9%
7	Netherlands	24	1.7%
8	Korea, Republic of	19	1.3%
9	Singapore	17	1.2%
10	United Kingdom	17	1.2%
11	Russia	12	0.8%
12	Czech Republic	10	0.7%
13	Egypt	9	0.6%
14	Cyprus	7	0.5%
15	Australia	7	0.5%
16	Italy	7	0.5%
17	Taiwan	7	0.5%
18	Switzerland	6	0.4%
19	Canada	6	0.4%
20	Hong Kong	6	0.4%
21	Malaysia	5	0.3%
22	Norway	5	0.3%
23	Philippines	5	0.3%
24	Ukraine	5	0.3%
25	Viet Nam	4	0.3%
26	Ireland	4	0.3%
27	Bangladesh	4	0.3%
28	Dominican Republic	4	0.3%
29	Hungary	3	0.2%
30	Latvia	3	0.2%
31	Spain	3	0.2%
32	Sweden	2	0.1%
33	Poland	2	0.1%
34	Iran, Islamic Republic of	2	0.1%
35	Argentina	2	0.1%
36	Bulgaria	1	0.1%
37	Finland	1	0.1%
38	Greece	1	0.1%
39	South Africa	1	0.1%
40	Nepal	1	0.1%
41	United Arab Emirates	1	0.1%
42	Thailand	1	0.1%