Rank	Countries/Territories	Count	Percent
1	United States	380	39.2%
2	China	291	30%
3	Germany	63	6.5%
4	Singapore	25	2.6%
5	Netherlands	21	2.2%
6	Japan	21	2.2%
7	Bulgaria	19	2%
8	United Kingdom	12	1.2%
9	Canada	11	1.1%
10	Nigeria	11	1.1%
11	Philippines	11	1.1%
12	Korea, Republic of	8	0.8%
13	Cyprus	7	0.7%
14	France	7	0.7%
15	Russia	7	0.7%
16	Ukraine	7	0.7%
17	Mauritius	6	0.6%
18	Pakistan	5	0.5%
19	Argentina	5	0.5%
20	Hong Kong	5	0.5%
21	Iran, Islamic Republic of	5	0.5%
22	Viet Nam	5	0.5%
23	Latvia	4	0.4%
24	Lithuania	4	0.4%
25	Benin	3	0.3%
26	Portugal	3	0.3%
27	South Africa	3	0.3%
28	Thailand	3	0.3%
29	Turkey	2	0.2%
30	Sweden	2	0.2%
31	Romania	2	0.2%
32	Morocco	2	0.2%
33	Israel	2	0.2%
34	Greece	1	0.1%
35	Malaysia	1	0.1%
36	Bolivia, Plurinational State of	1	0.1%
37	Australia	1	0.1%
38	Palestine, State of	1	0.1%
39	Mongolia	1	0.1%
40	Poland	1	0.1%