Rank	Countries/Territories	Count	Percent
1	United States	397	39.3%
2	China	303	30%
3	Brazil	40	4%
4	Japan	32	3.2%
5	Germany	27	2.7%
6	Turkey	22	2.2%
7	India	21	2.1%
8	Sweden	20	2%
9	Taiwan	16	1.6%
10	Hong Kong	15	1.5%
11	Russia	15	1.5%
12	Korea, Republic of	13	1.3%
13	Australia	13	1.3%
14	Ireland	9	0.9%
15	Spain	6	0.6%
16	Switzerland	4	0.4%
17	Mongolia	4	0.4%
18	Saudi Arabia	4	0.4%
19	Singapore	4	0.4%
20	Slovenia	3	0.3%
21	Netherlands	3	0.3%
22	Norway	3	0.3%
23	Denmark	3	0.3%
24	El Salvador	3	0.3%
25	France	3	0.3%
26	Ukraine	3	0.3%
27	United Kingdom	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Egypt	2	0.2%
30	Austria	2	0.2%
31	Nepal	2	0.2%
32	Italy	2	0.2%
33	Lithuania	2	0.2%
34	Malaysia	1	0.1%
35	Pakistan	1	0.1%
36	Serbia	1	0.1%
37	South Africa	1	0.1%
38	Slovakia	1	0.1%
39	Canada	1	0.1%
40	Chile	1	0.1%
41	Ethiopia	1	0.1%
42	Iceland	1	0.1%
43	Argentina	1	0.1%
44	Greece	1	0.1%