Rank	Countries/Territories	Count	Percent
1	United States	472	38.4%
2	China	416	33.9%
3	Germany	141	11.5%
4	Australia	35	2.9%
5	India	34	2.8%
6	Japan	22	1.8%
7	Ukraine	14	1.1%
8	Korea, Republic of	13	1.1%
9	Netherlands	11	0.9%
10	Morocco	7	0.6%
11	France	6	0.5%
12	Argentina	6	0.5%
13	Hong Kong	6	0.5%
14	Cyprus	6	0.5%
15	Hungary	5	0.4%
16	Ireland	5	0.4%
17	Switzerland	5	0.4%
18	Singapore	4	0.3%
19	Canada	4	0.3%
20	Austria	2	0.2%
21	Bangladesh	2	0.2%
22	Brazil	2	0.2%
23	Bulgaria	2	0.2%
24	Spain	2	0.2%
25	Taiwan	1	0.1%
26	Turkey	1	0.1%
27	Czech Republic	1	0.1%
28	Finland	1	0.1%
29	Iran, Islamic Republic of	1	0.1%
30	Iceland	1	0.1%