Rank	Countries/Territories	Count	Percent
1	United States	655	36.6%
2	China	624	34.8%
3	Germany	137	7.6%
4	Russia	56	3.1%
5	Korea, Republic of	55	3.1%
6	France	53	3%
7	Japan	32	1.8%
8	India	17	0.9%
9	Ukraine	17	0.9%
10	Canada	16	0.9%
11	Hong Kong	14	0.8%
12	Denmark	12	0.7%
13	United Kingdom	10	0.6%
14	Singapore	9	0.5%
15	Peru	9	0.5%
16	Norway	8	0.4%
17	Netherlands	7	0.4%
18	Australia	7	0.4%
19	Ireland	6	0.3%
20	Romania	6	0.3%
21	Turkey	5	0.3%
22	Latvia	4	0.2%
23	Bangladesh	4	0.2%
24	Bulgaria	4	0.2%
25	Cyprus	4	0.2%
26	Argentina	3	0.2%
27	Egypt	3	0.2%
28	Czech Republic	2	0.1%
29	Mexico	2	0.1%
30	Sweden	2	0.1%
31	South Africa	2	0.1%
32	Spain	1	0.1%
33	Switzerland	1	0.1%
34	Mongolia	1	0.1%
35	Luxembourg	1	0.1%
36	Malaysia	1	0.1%
37	Austria	1	0.1%