Rank	Countries/Territories	Count	Percent
1	United States	324	39.2%
2	China	239	28.9%
3	Netherlands	44	5.3%
4	Bulgaria	22	2.7%
5	Germany	20	2.4%
6	Singapore	19	2.3%
7	Australia	15	1.8%
8		14	1.7%
9	United Kingdom	12	1.5%
10	Russia	11	1.3%
11	Thailand	10	1.2%
12	Canada	9	1.1%
13	Japan	9	1.1%
14	France	8	1%
15	Lithuania	7	0.8%
16	Cyprus	7	0.8%
17	Argentina	7	0.8%
18	Brazil	6	0.7%
19	Spain	6	0.7%
20	Turkey	5	0.6%
21	Latvia	3	0.4%
22	Poland	3	0.4%
23	Hong Kong	3	0.4%
24	Iran, Islamic Republic of	3	0.4%
25	Romania	2	0.2%
26	Norway	2	0.2%
27	Morocco	2	0.2%
28	Sweden	2	0.2%
29	Slovakia	2	0.2%
30	South Africa	2	0.2%
31	Ukraine	1	0.1%
32	Nigeria	1	0.1%
33	Pakistan	1	0.1%
34	Philippines	1	0.1%
35	Malaysia	1	0.1%
36	Mongolia	1	0.1%
37	Kenya	1	0.1%
38	Bangladesh	1	0.1%