Rank	Countries/Territories	Count	Percent
1	United States	430	46.3%
2	China	191	20.6%
3	Germany	96	10.3%
4	France	38	4.1%
5	Estonia	19	2%
6	Japan	18	1.9%
7	India	14	1.5%
8	Mongolia	13	1.4%
9	Singapore	11	1.2%
10	Cyprus	10	1.1%
11	Ireland	9	1%
12	Korea, Republic of	8	0.9%
13	Switzerland	8	0.9%
14	Ukraine	7	0.8%
15	Netherlands	7	0.8%
16	Canada	5	0.5%
17	Finland	4	0.4%
18	Australia	4	0.4%
19	Poland	4	0.4%
20	United Kingdom	4	0.4%
21	Taiwan	4	0.4%
22	Belgium	3	0.3%
23	Bangladesh	2	0.2%
24	Malaysia	2	0.2%
25	Spain	2	0.2%
26	Romania	2	0.2%
27	Russia	2	0.2%
28	Saudi Arabia	1	0.1%
29	Norway	1	0.1%
30	Pakistan	1	0.1%
31	Peru	1	0.1%
32	Sweden	1	0.1%
33	Argentina	1	0.1%
34	Austria	1	0.1%
35	Brazil	1	0.1%
36	Egypt	1	0.1%
37	Indonesia	1	0.1%
38	Iran, Islamic Republic of	1	0.1%
39	Hong Kong	1	0.1%