Rank	Countries/Territories	Count	Percent
1	United States	417	53.1%
2	China	212	27%
3	Germany	80	10.2%
4	France	17	2.2%
5	Canada	9	1.1%
6	Cyprus	9	1.1%
7	Netherlands	9	1.1%
8	Japan	6	0.8%
9	Korea, Republic of	3	0.4%
10	Hong Kong	3	0.4%
11	Australia	3	0.4%
12	Singapore	3	0.4%
13	Argentina	2	0.3%
14	Greece	2	0.3%
15	India	2	0.3%
16	Ireland	2	0.3%
17	Italy	1	0.1%
18	Iran, Islamic Republic of	1	0.1%
19	Mongolia	1	0.1%
20	Kenya	1	0.1%
21	Switzerland	1	0.1%
22	Taiwan	1	0.1%
23	Russia	1	0.1%