Rank	Countries/Territories	Count	Percent
1	United States	481	47.1%
2	China	262	25.6%
3	Germany	127	12.4%
4	Netherlands	23	2.3%
5	France	17	1.7%
6	India	15	1.5%
7	Korea, Republic of	13	1.3%
8	Canada	11	1.1%
9	Japan	11	1.1%
10	Australia	10	1%
11	Hong Kong	9	0.9%
12	Cyprus	8	0.8%
13	Singapore	8	0.8%
14	Ukraine	6	0.6%
15	Bulgaria	6	0.6%
16	Iran, Islamic Republic of	3	0.3%
17	Spain	3	0.3%
18	Mexico	2	0.2%
19	Romania	2	0.2%
20	Argentina	2	0.2%
21	Brazil	1	0.1%
22	Switzerland	1	0.1%
23	Taiwan	1	0.1%