Rank	Countries/Territories	Count	Percent
1	United States	338	33.2%
2	China	318	31.2%
3	Germany	74	7.3%
4	France	70	6.9%
5	Latvia	52	5.1%
6	Argentina	23	2.3%
7	Japan	11	1.1%
8	Australia	10	1%
9	Cyprus	9	0.9%
10	Canada	9	0.9%
11	Iran, Islamic Republic of	9	0.9%
12	Singapore	9	0.9%
13	Turkey	8	0.8%
14	Netherlands	8	0.8%
15	India	7	0.7%
16	Korea, Republic of	6	0.6%
17	Thailand	6	0.6%
18	Russia	4	0.4%
19	Saudi Arabia	4	0.4%
20	Italy	4	0.4%
21	Greece	4	0.4%
22	Ireland	3	0.3%
23	Malaysia	3	0.3%
24	Mexico	3	0.3%
25	Philippines	3	0.3%
26	Switzerland	3	0.3%
27	Spain	2	0.2%
28	United Kingdom	2	0.2%
29	Mongolia	2	0.2%
30	Peru	2	0.2%
31	Kuwait	2	0.2%
32	Bangladesh	2	0.2%
33	Viet Nam	2	0.2%
34	Uruguay	1	0.1%
35	Egypt	1	0.1%
36	Lithuania	1	0.1%
37	Israel	1	0.1%
38	Mauritius	1	0.1%
39	Ukraine	1	0.1%