Rank	Countries/Territories	Count	Percent
1	United States	260	25.5%
2	Bulgaria	180	17.7%
3	China	174	17.1%
4	Netherlands	116	11.4%
5	Germany	53	5.2%
6	United Kingdom	31	3%
7	Romania	21	2.1%
8	France	20	2%
9	Singapore	17	1.7%
10		16	1.6%
11	Japan	15	1.5%
12	Bolivia, Plurinational State of	13	1.3%
13	Nigeria	12	1.2%
14	Latvia	12	1.2%
15	Australia	10	1%
16	South Africa	7	0.7%
17	Viet Nam	7	0.7%
18	Canada	6	0.6%
19	Mexico	5	0.5%
20	Italy	4	0.4%
21	Senegal	4	0.4%
22	Korea, Republic of	4	0.4%
23	Indonesia	3	0.3%
24	Cote D'ivoire	3	0.3%
25	Belgium	3	0.3%
26	Austria	3	0.3%
27	Turkey	3	0.3%
28	Switzerland	2	0.2%
29	Mauritius	2	0.2%
30	Philippines	2	0.2%
31	Russia	2	0.2%
32	Bangladesh	2	0.2%
33	Ukraine	2	0.2%
34	Hong Kong	1	0.1%
35	Moldova, Republic of	1	0.1%
36	Taiwan	1	0.1%
37	Thailand	1	0.1%
38	Uganda	1	0.1%