Rank	Countries/Territories	Count	Percent
1	United States	268	44.3%
2	China	157	26%
3	Netherlands	24	4%
4	Singapore	19	3.1%
5	Germany	16	2.6%
6	Australia	15	2.5%
7		14	2.3%
8	Bulgaria	12	2%
9	Russia	10	1.7%
10	Canada	9	1.5%
11	Japan	9	1.5%
12	Cyprus	6	1%
13	France	6	1%
14	Brazil	6	1%
15	Turkey	5	0.8%
16	United Kingdom	4	0.7%
17	Thailand	3	0.5%
18	Poland	3	0.5%
19	Latvia	3	0.5%
20	Iran, Islamic Republic of	2	0.3%
21	Slovakia	2	0.3%
22	South Africa	2	0.3%
23	Spain	2	0.3%
24	Sweden	2	0.3%
25	Ukraine	1	0.2%
26	Norway	1	0.2%
27	Pakistan	1	0.2%
28	Malaysia	1	0.2%
29	Mongolia	1	0.2%
30	Bangladesh	1	0.2%