Rank	Countries/Territories	Count	Percent
1	United States	346	39.8%
2	China	312	35.9%
3	Germany	101	11.6%
4	France	19	2.2%
5	Russia	18	2.1%
6	Japan	14	1.6%
7	Cyprus	7	0.8%
8	Netherlands	7	0.8%
9	Switzerland	7	0.8%
10	Korea, Republic of	5	0.6%
11	Singapore	4	0.5%
12	Canada	4	0.5%
13	Argentina	3	0.3%
14	Australia	3	0.3%
15	South Africa	3	0.3%
16	India	3	0.3%
17	Ireland	3	0.3%
18	Malaysia	2	0.2%
19	Mexico	2	0.2%
20	Bangladesh	2	0.2%
21	Hong Kong	2	0.2%
22	Viet Nam	2	0.2%
23	Italy	1	0.1%