Rank	Countries/Territories	Count	Percent
1	United States	493	40.3%
2	China	488	39.9%
3	Germany	115	9.4%
4	France	32	2.6%
5	Japan	17	1.4%
6	Netherlands	11	0.9%
7	Norway	10	0.8%
8	Singapore	10	0.8%
9	Cyprus	6	0.5%
10	Canada	6	0.5%
11	Australia	4	0.3%
12	Korea, Republic of	4	0.3%
13	India	4	0.3%
14	Egypt	3	0.2%
15	Bangladesh	2	0.2%
16	Belgium	2	0.2%
17	Argentina	2	0.2%
18	Ireland	2	0.2%
19	Mexico	2	0.2%
20	Spain	2	0.2%
21	Taiwan	2	0.2%
22	Ukraine	1	0.1%
23	Viet Nam	1	0.1%
24	Mongolia	1	0.1%
25	Poland	1	0.1%
26	Malaysia	1	0.1%
27	Hong Kong	1	0.1%