Rank	Countries/Territories	Count	Percent
1	United States	474	26.4%
2	China	375	20.9%
3	Germany	341	19%
4	Russia	140	7.8%
5	Netherlands	64	3.6%
6	Nigeria	59	3.3%
7	Bulgaria	47	2.6%
8	Canada	33	1.8%
9	Korea, Republic of	28	1.6%
10	Benin	26	1.4%
11	Mauritius	17	0.9%
12	Singapore	17	0.9%
13	India	15	0.8%
14	South Africa	14	0.8%
15	Burkina Faso	13	0.7%
16	Togo	12	0.7%
17	Australia	9	0.5%
18	Cote D'ivoire	9	0.5%
19	Cyprus	9	0.5%
20	Latvia	9	0.5%
21	Greece	9	0.5%
22	Japan	9	0.5%
23	Turkey	8	0.4%
24	United Kingdom	7	0.4%
25	Iraq	7	0.4%
26	Argentina	6	0.3%
27	France	6	0.3%
28	Lithuania	4	0.2%
29	Viet Nam	4	0.2%
30	Ukraine	4	0.2%
31	Mongolia	3	0.2%
32	Egypt	3	0.2%
33	Ghana	2	0.1%
34	Bangladesh	2	0.1%
35	Belgium	2	0.1%
36	Portugal	2	0.1%
37	Romania	1	0.1%
38	Denmark	1	0.1%
39	Finland	1	0.1%
40	Philippines	1	0.1%
41	Sweden	1	0.1%
42	Thailand	1	0.1%
43	Ireland	1	0.1%
44	Indonesia	1	0.1%