Rank	Countries/Territories	Count	Percent
1	United States	385	38.1%
2	China	290	28.7%
3	Germany	70	6.9%
4	Netherlands	47	4.7%
5	Canada	26	2.6%
6	Bulgaria	24	2.4%
7	France	22	2.2%
8	Korea, Republic of	20	2%
9	Nigeria	15	1.5%
10	South Africa	9	0.9%
11	United Kingdom	9	0.9%
12	Japan	9	0.9%
13	Hong Kong	9	0.9%
14	Singapore	8	0.8%
15	Ukraine	6	0.6%
16	Togo	6	0.6%
17	Australia	6	0.6%
18	Benin	5	0.5%
19	Argentina	5	0.5%
20	Taiwan	5	0.5%
21	Belgium	4	0.4%
22	Cambodia	3	0.3%
23	India	3	0.3%
24	Greece	3	0.3%
25	Cote D'ivoire	3	0.3%
26	Switzerland	3	0.3%
27	Latvia	3	0.3%
28	Slovenia	2	0.2%
29	Cyprus	2	0.2%
30	Ireland	1	0.1%
31	Bolivia, Plurinational State of	1	0.1%
32	Brazil	1	0.1%
33	Mauritius	1	0.1%
34	Mongolia	1	0.1%
35	Thailand	1	0.1%
36	Turkey	1	0.1%
37	Viet Nam	1	0.1%