Rank	Countries/Territories	Count	Percent
1	United States	542	45.7%
2	China	378	31.8%
3	Germany	105	8.8%
4	Japan	35	2.9%
5	France	31	2.6%
6	Korea, Republic of	14	1.2%
7	India	13	1.1%
8	Canada	13	1.1%
9	Ukraine	13	1.1%
10	Singapore	10	0.8%
11	Cyprus	6	0.5%
12	Netherlands	6	0.5%
13	Russia	4	0.3%
14	Iran, Islamic Republic of	3	0.3%
15	Ireland	2	0.2%
16	Australia	2	0.2%
17	Bulgaria	2	0.2%
18	Switzerland	2	0.2%
19	Spain	1	0.1%
20	United Kingdom	1	0.1%
21	Argentina	1	0.1%
22	Bangladesh	1	0.1%
23	Brazil	1	0.1%
24	Malaysia	1	0.1%