Rank	Countries/Territories	Count	Percent
1	United States	521	50.2%
2	China	249	24%
3	Germany	85	8.2%
4	Russia	27	2.6%
5	United Kingdom	17	1.6%
6	Japan	15	1.4%
7	Korea, Republic of	12	1.2%
8	Canada	12	1.2%
9	France	12	1.2%
10	India	10	1%
11	Cyprus	7	0.7%
12	Netherlands	6	0.6%
13	Singapore	6	0.6%
14	Poland	6	0.6%
15	Argentina	5	0.5%
16	Ireland	4	0.4%
17	Philippines	4	0.4%
18	Italy	4	0.4%
19	Viet Nam	4	0.4%
20	Sweden	3	0.3%
21	Australia	3	0.3%
22	Bangladesh	3	0.3%
23	Egypt	2	0.2%
24	Austria	2	0.2%
25	Iran, Islamic Republic of	2	0.2%
26	Mongolia	2	0.2%
27	Morocco	2	0.2%
28	Norway	2	0.2%
29	Slovenia	2	0.2%
30	Spain	2	0.2%
31	Switzerland	1	0.1%
32	Turkey	1	0.1%
33	Ukraine	1	0.1%
34	Romania	1	0.1%
35	Israel	1	0.1%
36	Cayman Islands	1	0.1%
37	Denmark	1	0.1%