Rank	Countries/Territories	Count	Percent
1	United States	343	39.4%
2	China	270	31%
3	Germany	53	6.1%
4	France	35	4%
5	India	27	3.1%
6	Japan	20	2.3%
7	Russia	17	2%
8	Canada	16	1.8%
9	Norway	11	1.3%
10	Singapore	10	1.1%
11	Korea, Republic of	10	1.1%
12	United Kingdom	9	1%
13	Netherlands	9	1%
14	Ireland	7	0.8%
15	Cyprus	6	0.7%
16	Hong Kong	4	0.5%
17	Turkey	4	0.5%
18	Bangladesh	3	0.3%
19	Indonesia	3	0.3%
20	Italy	2	0.2%
21	Jamaica	2	0.2%
22	Bulgaria	2	0.2%
23	Australia	2	0.2%
24	Iran, Islamic Republic of	1	0.1%
25	Lithuania	1	0.1%
26	Malaysia	1	0.1%
27	Pakistan	1	0.1%
28	Poland	1	0.1%