Rank	Countries/Territories	Count	Percent
1	United States	543	38.2%
2	China	355	24.9%
3	Germany	96	6.7%
4	Latvia	45	3.2%
5	Japan	43	3%
6	France	37	2.6%
7	United Kingdom	33	2.3%
8	Netherlands	32	2.2%
9	Sweden	28	2%
10	India	24	1.7%
11	Spain	18	1.3%
12	Russia	17	1.2%
13		17	1.2%
14	Brazil	14	1%
15	Canada	14	1%
16	Mongolia	12	0.8%
17	Italy	10	0.7%
18	Korea, Republic of	10	0.7%
19	Australia	9	0.6%
20	Singapore	7	0.5%
21	Taiwan	6	0.4%
22	Hong Kong	5	0.4%
23	Egypt	5	0.4%
24	Cyprus	4	0.3%
25	Switzerland	4	0.3%
26	Ukraine	3	0.2%
27	Iran, Islamic Republic of	3	0.2%
28	Ireland	3	0.2%
29	Romania	3	0.2%
30	Saudi Arabia	2	0.1%
31	Pakistan	2	0.1%
32	Peru	2	0.1%
33	Ethiopia	2	0.1%
34	Bangladesh	2	0.1%
35	Belgium	2	0.1%
36	Colombia	2	0.1%
37	Uruguay	2	0.1%
38	Thailand	2	0.1%
39	Turkey	2	0.1%
40	Denmark	1	0.1%
41	Poland	1	0.1%
42	Mexico	1	0.1%