Rank	Countries/Territories	Count	Percent
1	United States	510	38%
2	China	381	28.4%
3	Germany	157	11.7%
4	Australia	59	4.4%
5	Japan	39	2.9%
6	France	27	2%
7	Russia	20	1.5%
8	Netherlands	16	1.2%
9	Ireland	12	0.9%
10	Canada	11	0.8%
11	Italy	11	0.8%
12	Taiwan	9	0.7%
13	United Kingdom	9	0.7%
14	Korea, Republic of	8	0.6%
15	Singapore	7	0.5%
16	Cyprus	7	0.5%
17	India	7	0.5%
18	Greece	5	0.4%
19	Spain	4	0.3%
20	Mongolia	4	0.3%
21	Latvia	3	0.2%
22	South Africa	3	0.2%
23	Hong Kong	3	0.2%
24	Bangladesh	3	0.2%
25	Poland	3	0.2%
26	Argentina	2	0.1%
27	Hungary	2	0.1%
28	Iran, Islamic Republic of	2	0.1%
29	Israel	2	0.1%
30	Sweden	2	0.1%
31	Norway	2	0.1%
32	Pakistan	2	0.1%
33	New Zealand	1	0.1%
34	Switzerland	1	0.1%
35	Malaysia	1	0.1%
36	Nepal	1	0.1%
37	Czech Republic	1	0.1%
38	Denmark	1	0.1%
39	Ethiopia	1	0.1%
40	Turkey	1	0.1%
41	Ukraine	1	0.1%