Rank	Countries/Territories	Count	Percent
1	United States	361	47.8%
2	China	212	28.1%
3	Germany	82	10.9%
4	Korea, Republic of	25	3.3%
5	Canada	16	2.1%
6	Japan	11	1.5%
7	Netherlands	8	1.1%
8	Singapore	7	0.9%
9	France	6	0.8%
10	Cyprus	3	0.4%
11	Hungary	3	0.4%
12	Pakistan	3	0.4%
13	Ireland	3	0.4%
14	Ukraine	3	0.4%
15	Taiwan	2	0.3%
16	Iran, Islamic Republic of	2	0.3%
17	Malaysia	2	0.3%
18	Hong Kong	2	0.3%
19	India	1	0.1%
20	Russia	1	0.1%
21	Switzerland	1	0.1%
22	United Kingdom	1	0.1%