Rank	Countries/Territories	Count	Percent
1	United States	513	38.3%
2	China	385	28.8%
3	Germany	93	6.9%
4	Hong Kong	46	3.4%
5	India	29	2.2%
6	Netherlands	28	2.1%
7	Argentina	25	1.9%
8	Russia	20	1.5%
9	Egypt	18	1.3%
10	Canada	17	1.3%
11	Indonesia	16	1.2%
12	Singapore	15	1.1%
13	Japan	15	1.1%
14	Ireland	13	1%
15	United Kingdom	11	0.8%
16	Korea, Republic of	10	0.7%
17	Greece	9	0.7%
18	Iran, Islamic Republic of	8	0.6%
19	Ghana	8	0.6%
20	Viet Nam	8	0.6%
21	Taiwan	7	0.5%
22	France	7	0.5%
23	Switzerland	6	0.4%
24	Romania	5	0.4%
25	Cyprus	5	0.4%
26	Ukraine	4	0.3%
27	Thailand	2	0.1%
28	Turkey	2	0.1%
29	Spain	2	0.1%
30	Sweden	2	0.1%
31	Saudi Arabia	2	0.1%
32	Czech Republic	2	0.1%
33	Israel	2	0.1%
34	Bangladesh	1	0.1%
35	Malaysia	1	0.1%
36	Pakistan	1	0.1%
37	Poland	1	0.1%