Rank	Countries/Territories	Count	Percent
1	United States	363	39.3%
2	China	354	38.3%
3	Germany	95	10.3%
4	Japan	32	3.5%
5	Korea, Republic of	13	1.4%
6	France	11	1.2%
7	Poland	9	1%
8	Canada	7	0.8%
9	Hong Kong	7	0.8%
10	Netherlands	6	0.6%
11	Singapore	6	0.6%
12	Russia	3	0.3%
13	India	3	0.3%
14	Australia	3	0.3%
15	Cyprus	2	0.2%
16	Iran, Islamic Republic of	2	0.2%
17	Malaysia	2	0.2%
18	United Kingdom	2	0.2%
19	Spain	1	0.1%
20	Ukraine	1	0.1%
21	Norway	1	0.1%
22	Argentina	1	0.1%