Rank	Countries/Territories	Count	Percent
1	United States	439	35%
2	Bulgaria	319	25.4%
3	China	194	15.4%
4	Germany	116	9.2%
5	Netherlands	41	3.3%
6	Canada	15	1.2%
7	Japan	15	1.2%
8	France	15	1.2%
9	Burkina Faso	14	1.1%
10	Nigeria	14	1.1%
11	United Kingdom	10	0.8%
12	Hong Kong	8	0.6%
13	India	7	0.6%
14	Cyprus	5	0.4%
15	New Zealand	5	0.4%
16	Singapore	5	0.4%
17	South Africa	4	0.3%
18	Ukraine	3	0.2%
19	United Arab Emirates	3	0.2%
20	Moldova, Republic of	3	0.2%
21	Lithuania	3	0.2%
22	Australia	3	0.2%
23	Latvia	2	0.2%
24	Lebanon	2	0.2%
25	Poland	2	0.2%
26	Viet Nam	2	0.2%
27	Sweden	2	0.2%
28	Thailand	1	0.1%
29	Norway	1	0.1%
30	Philippines	1	0.1%
31	Malaysia	1	0.1%
32	Indonesia	1	0.1%