Rank	Countries/Territories	Count	Percent
1	United States	673	46.9%
2	China	328	22.9%
3	Germany	136	9.5%
4	Netherlands	45	3.1%
5	France	35	2.4%
6	Russia	24	1.7%
7	Hong Kong	24	1.7%
8	Singapore	23	1.6%
9	Japan	20	1.4%
10	India	13	0.9%
11	Cyprus	10	0.7%
12	Bulgaria	10	0.7%
13	Thailand	9	0.6%
14	United Kingdom	8	0.6%
15	Canada	8	0.6%
16	Australia	8	0.6%
17	Korea, Republic of	7	0.5%
18	Moldova, Republic of	6	0.4%
19	South Africa	6	0.4%
20	Spain	6	0.4%
21	Sweden	4	0.3%
22	Iran, Islamic Republic of	4	0.3%
23	Bangladesh	4	0.3%
24	Ireland	3	0.2%
25	Latvia	3	0.2%
26	Mauritius	3	0.2%
27	Taiwan	2	0.1%
28	Turkey	2	0.1%
29	Ukraine	2	0.1%
30	Paraguay	2	0.1%
31	Malaysia	2	0.1%
32	Greece	1	0.1%
33	Poland	1	0.1%
34	Viet Nam	1	0.1%
35	Norway	1	0.1%
36	Pakistan	1	0.1%