Rank	Countries/Territories	Count	Percent
1	United States	492	42.1%
2	China	357	30.5%
3	Germany	87	7.4%
4	Latvia	52	4.4%
5	Japan	29	2.5%
6	France	28	2.4%
7	Netherlands	22	1.9%
8	United Kingdom	9	0.8%
9	Singapore	8	0.7%
10	Taiwan	7	0.6%
11	Ukraine	7	0.6%
12	Cyprus	7	0.6%
13	Russia	6	0.5%
14	Italy	5	0.4%
15	Spain	5	0.4%
16	Egypt	4	0.3%
17	Hong Kong	4	0.3%
18	India	3	0.3%
19	Canada	3	0.3%
20	Malaysia	3	0.3%
21	Bangladesh	3	0.3%
22	Tajikistan	3	0.3%
23	Turkey	3	0.3%
24	Saudi Arabia	3	0.3%
25	South Africa	2	0.2%
26	Uganda	2	0.2%
27	United Arab Emirates	2	0.2%
28	Argentina	2	0.2%
29	Australia	2	0.2%
30	Korea, Republic of	2	0.2%
31	Mongolia	1	0.1%
32	Belarus	1	0.1%
33	Bulgaria	1	0.1%
34	Ethiopia	1	0.1%
35	Norway	1	0.1%
36	Pakistan	1	0.1%
37	Poland	1	0.1%
38	Viet Nam	1	0.1%