Rank	Countries/Territories	Count	Percent
1	United States	294	36.1%
2	China	273	33.5%
3	Latvia	43	5.3%
4	Germany	34	4.2%
5	Singapore	17	2.1%
6	France	15	1.8%
7	Turkey	12	1.5%
8	Netherlands	11	1.3%
9	Japan	11	1.3%
10	Cyprus	10	1.2%
11	India	9	1.1%
12	Korea, Republic of	8	1%
13	Australia	8	1%
14	Argentina	6	0.7%
15	Taiwan	6	0.7%
16	Egypt	5	0.6%
17	Canada	5	0.6%
18	Malaysia	4	0.5%
19	Norway	4	0.5%
20	Poland	4	0.5%
21	Romania	3	0.4%
22	Russia	3	0.4%
23	Uganda	3	0.4%
24	Mexico	3	0.4%
25	Iran, Islamic Republic of	3	0.4%
26	Ireland	3	0.4%
27	Chile	3	0.4%
28	Bulgaria	2	0.2%
29	Austria	2	0.2%
30	Hong Kong	2	0.2%
31	United Kingdom	2	0.2%
32	Saudi Arabia	2	0.2%
33	Pakistan	1	0.1%
34	Switzerland	1	0.1%
35	Viet Nam	1	0.1%
36	Ukraine	1	0.1%
37	Bangladesh	1	0.1%