Rank	Countries/Territories	Count	Percent
1	United States	521	47.6%
2	China	255	23.3%
3	Germany	60	5.5%
4	Korea, Republic of	54	4.9%
5	Poland	31	2.8%
6	France	26	2.4%
7	Japan	24	2.2%
8	Canada	21	1.9%
9	Netherlands	14	1.3%
10	Australia	12	1.1%
11	Russia	8	0.7%
12	Turkey	7	0.6%
13	Cyprus	7	0.6%
14	Singapore	6	0.5%
15	United Kingdom	5	0.5%
16	Switzerland	3	0.3%
17	Ukraine	3	0.3%
18	United Arab Emirates	3	0.3%
19	Senegal	3	0.3%
20	Norway	3	0.3%
21	Bangladesh	3	0.3%
22	Austria	2	0.2%
23	Israel	2	0.2%
24	Libya	2	0.2%
25	Greece	2	0.2%
26	Hong Kong	2	0.2%
27	India	2	0.2%
28	Malaysia	2	0.2%
29	Romania	2	0.2%
30	Saudi Arabia	2	0.2%
31	Thailand	1	0.1%
32	Morocco	1	0.1%
33	Puerto Rico	1	0.1%
34	Pakistan	1	0.1%
35	Philippines	1	0.1%
36	Iran, Islamic Republic of	1	0.1%
37	Lithuania	1	0.1%
38	Bulgaria	1	0.1%