Rank	Countries/Territories	Count	Percent
1	United States	517	39.7%
2	China	307	23.6%
3	Germany	87	6.7%
4	Netherlands	67	5.1%
5	Bulgaria	36	2.8%
6	Canada	30	2.3%
7	South Africa	25	1.9%
8	France	24	1.8%
9	United Kingdom	20	1.5%
10	Japan	16	1.2%
11	Singapore	15	1.2%
12	Nigeria	15	1.2%
13	Latvia	13	1%
14	Hong Kong	13	1%
15	Russia	11	0.8%
16	Turkey	11	0.8%
17	Australia	10	0.8%
18	Bangladesh	9	0.7%
19	Thailand	9	0.7%
20	Romania	6	0.5%
21	Lithuania	5	0.4%
22	Cyprus	5	0.4%
23	India	5	0.4%
24	Iran, Islamic Republic of	4	0.3%
25	Egypt	4	0.3%
26	Mauritius	4	0.3%
27	Sweden	4	0.3%
28	Poland	3	0.2%
29	Malaysia	3	0.2%
30	Chile	3	0.2%
31	Ireland	3	0.2%
32	Argentina	2	0.2%
33	Finland	2	0.2%
34	Morocco	2	0.2%
35	Pakistan	2	0.2%
36	Taiwan	2	0.2%
37	Viet Nam	2	0.2%
38	Switzerland	1	0.1%
39	Slovakia	1	0.1%
40	Philippines	1	0.1%
41	Bolivia, Plurinational State of	1	0.1%
42	Kenya	1	0.1%